<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Seems to be fixed in the qt dev <a href="https://bugreports.qt.io/browse/QTBUG-120469">https://bugreports.qt.io/browse/QTBUG-120469</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 9, 2024 at 2:29 AM Bob Shotwell <<a href="mailto:bob@shotwell.com">bob@shotwell.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">Hi, <u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">I am developing a Python application to assist in the creation of Python applications.  The core system has been working for about a year.  Several months ago, I started getting a C++ error messages in my python application running in PyCharm.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">After some significant amount of troubleshooting, I have come to suspect that the error is coming from Pyqt6.  Here is what I have learned.  The following terminal commands describe my operating environment.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">bobshotwell@Bobs-Mac-Studio ~ % sw_vers<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">ProductName:           macOS<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">ProductVersion:        14.2.1<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">BuildVersion:          23C71<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">bobshotwell@Bobs-Mac-Studio ~ % python3<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">Python 3.12.1 (v3.12.1:2305ca5144, Dec  7 2023, 17:23:38) [Clang 13.0.0 (clang-1300.0.29.30)] on darwin<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">Type "help", "copyright", "credits" or "license" for more information.<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">>>> import PyQt6.QtCore<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">>>> print(PyQt6.QtCore.PYQT_VERSION_STR)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">6.6.1<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo">>>><u></u> <u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo"> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">I did not include info about PyCharm since I have replicated the error running python3 in the terminal.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">Because of the complexity of my application, I used ChatGPT 4.0 to replicate the problem with a simple demo script.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">I issued the following ChatGPT 4.0 prompt:<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo"> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New";color:rgb(13,13,13);background:white">Create a python script to implement the following specification. The script uses Pyqt6 to implement the UI. The script has two widgets. Widget 1 is a combobox. Initially, the combo box is loaded from the following tuple ('alice', 'bob', 'charlie'). Widget 2 is a pushbutton. When the pushbutton is clicked, the contents of the combobox are toggled between the initial tuple and the following tuple {'drew', 'eric', 'fred').<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New";color:rgb(13,13,13);background:white"><u></u> <u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">ChatGPT 4.0 generated the following script:<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:Menlo"> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">import sys<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">from PyQt6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget, QComboBox, QPushButton<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">class MainWindow(QMainWindow):<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    def __init__(self):<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        super().__init__()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        # Initial and alternate tuples for the combobox<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.initial_tuple = ('alice', 'bob', 'charlie')<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.alternate_tuple = ('drew', 'eric', 'fred')<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.setWindowTitle("Toggle Combobox Contents")<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.setGeometry(100, 100, 200, 100)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        # Create the combobox and populate it with the initial tuple<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.comboBox = QComboBox()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.comboBox.addItems(self.initial_tuple)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        # Create the pushbutton<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.pushButton = QPushButton("Toggle List")<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.pushButton.clicked.connect(self.toggle_combobox_contents)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        # Layout configuration<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        layout = QVBoxLayout()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        layout.addWidget(self.comboBox)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        layout.addWidget(self.pushButton)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        centralWidget = QWidget()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        centralWidget.setLayout(layout)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        self.setCentralWidget(centralWidget)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    def toggle_combobox_contents(self):<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        # Check current items in the combobox to determine which tuple to use<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        current_items = [self.comboBox.itemText(i) for i in range(self.comboBox.count())]<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        if tuple(current_items) == self.initial_tuple:<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">            self.comboBox.clear()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">            self.comboBox.addItems(self.alternate_tuple)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">        else:<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">            self.comboBox.clear()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">            self.comboBox.addItems(self.initial_tuple)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">def main():<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    app = QApplication(sys.argv)<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    mainWindow = MainWindow()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    mainWindow.show()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    sys.exit(app.exec())<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">if __name__ == "__main__":<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">    main()<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">I copied this script into a .py file (demo.py) and ran it in the terminal:<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> <u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">bobshotwell@Bobs-Mac-Studio ~ % cd documents<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">bobshotwell@Bobs-Mac-Studio documents % nano demo.py<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">bobshotwell@Bobs-Mac-Studio documents % python3 demo.py<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">The script starts up without a problem.  However, when the pushbutton is clicked, the statement at line 37 (“self.comboBox.addItems(self.alternate_tuple)”) throws the following error:<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayM objectAtIndexedSubscript:]: index 0 beyond bounds for empty array'<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">*** First throw call stack:<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">(<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      0   CoreFoundation                      0x000000018806c570 __exceptionPreprocess + 176<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      1   libobjc.A.dylib                     0x0000000187b5deb4 objc_exception_throw + 60<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      2   CoreFoundation                      0x0000000187fe2d10 -[__NSCFString hasSuffix:] + 0<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      3   libqcocoa.dylib                     0x00000001075c6044 _ZN20QCocoaSystemTrayIcon13emitActivatedEv + 274796<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      4   libqcocoa.dylib                     0x00000001075c60c8 _ZN20QCocoaSystemTrayIcon13emitActivatedEv + 274928<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      5   libqcocoa.dylib                     0x00000001075c4688 _ZN20QCocoaSystemTrayIcon13emitActivatedEv + 268208<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      6   QtWidgets                           0x0000000105b191a8 _ZN9QListView16selectionChangedERK14QItemSelectionS2_ + 204<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      7   QtCore                              0x0000000106fd348c _ZN11QMetaObject8activateEP7QObjectPKS_iPPv + 3808<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      8   QtCore                              0x0000000107199e44 _ZN19QItemSelectionModel20emitSelectionChangedERK14QItemSelectionS2_ + 216<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      9   QtCore                              0x0000000107199a2c _ZN19QItemSelectionModel6selectERK14QItemSelection6QFlagsINS_13SelectionFlagEE + 636<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      10  QtCore                              0x000000010719970c _ZN19QItemSelectionModel6selectERK11QModelIndex6QFlagsINS_13SelectionFlagEE + 68<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      11  QtCore                              0x000000010719a8cc _ZN19QItemSelectionModel15setCurrentIndexERK11QModelIndex6QFlagsINS_13SelectionFlagEE + 260<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      12  QtWidgets                           0x0000000105977338 _ZNK9QComboBox5countEv + 828<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      13  QtWidgets                           0x000000010597a8b4 _ZN9QComboBoxC1ER16QComboBoxPrivateP7QWidget + 2412<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      14  QtCore                              0x0000000106fd3224 _ZN11QMetaObject8activateEP7QObjectPKS_iPPv + 3192<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      15  QtCore                              0x0000000107182944 _ZN18QAbstractItemModel13endInsertRowsEv + 200<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      16  QtGui                               0x000000010798f1a8 _ZN18QStandardItemModel11itemChangedEP13QStandardItem + 844<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      17  QtWidgets                           0x000000010597de38 _ZN9QComboBox11insertItemsEiRK5QListI7QStringE + 340<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      18  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106b529bc _ZL23meth_QComboBox_addItemsP7_objectS0_ + 136<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      19  Python                              0x00000001062722ec cfunction_call + 108<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      20  Python                              0x0000000106203378 _PyObject_MakeTpCall + 128<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      21  Python                              0x0000000106348a40 _PyEval_EvalFrameDefault + 47144<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      22  Python                              0x000000010620748c method_vectorcall + 368<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      23  <a href="http://QtCore.abi3.so" target="_blank">QtCore.abi3.so</a>                      0x00000001054be418 _ZNK8PyQtSlot4callEP7_objectS1_ + 156<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      24  <a href="http://QtCore.abi3.so" target="_blank">QtCore.abi3.so</a>                      0x00000001054be22c _ZNK8PyQtSlot6invokeEPPvP7_objectS0_b + 296<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      25  <a href="http://QtCore.abi3.so" target="_blank">QtCore.abi3.so</a>                      0x00000001054bf200 _ZN13PyQtSlotProxy7unislotEPPv + 92<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      26  <a href="http://QtCore.abi3.so" target="_blank">QtCore.abi3.so</a>                      0x00000001054bf170 _ZN13PyQtSlotProxy11qt_metacallEN11QMetaObject4CallEiPPv + 68<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      27  QtCore                              0x0000000106fd31f4 _ZN11QMetaObject8activateEP7QObjectPKS_iPPv + 3144<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      28  QtWidgets                           0x0000000105960ec8 _ZNK15QAbstractButton11isCheckableEv + 816<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      29  QtWidgets                           0x0000000105960d48 _ZNK15QAbstractButton11isCheckableEv + 432<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      30  QtWidgets                           0x0000000105961c48 _ZN15QAbstractButton17mouseReleaseEventEP11QMouseEvent + 172<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      31  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106a399ec _ZN14sipQPushButton17mouseReleaseEventEP11QMouseEvent + 148<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      32  QtWidgets                           0x00000001058ad8b8 _ZN7QWidget5eventEP6QEvent + 132<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      33  QtWidgets                           0x0000000105a0eb24 _ZN11QPushButton5eventEP6QEvent + 204<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      34  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106a3a41c _ZN14sipQPushButton5eventEP6QEvent + 224<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      35  QtWidgets                           0x0000000105864594 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent + 272<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      36  QtWidgets                           0x00000001058665c0 _ZN12QApplication6notifyEP7QObjectP6QEvent + 5072<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      37  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106a5b224 _ZN15sipQApplication6notifyEP7QObjectP6QEvent + 248<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      38  QtCore                              0x0000000106f89474 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent + 292<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      39  QtWidgets                           0x0000000105864b34 _ZN19QApplicationPrivate14sendMouseEventEP7QWidgetP11QMouseEventS1_S1_PS1_R8QPointerIS0_Ebb + 808<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      40  QtWidgets                           0x00000001058c2860 _ZNK21QWidgetRepaintManager3rhiEv + 11080<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      41  QtWidgets                           0x00000001058c1a6c _ZNK21QWidgetRepaintManager3rhiEv + 7508<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      42  QtWidgets                           0x0000000105864594 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent + 272<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      43  QtWidgets                           0x00000001058653e8 _ZN12QApplication6notifyEP7QObjectP6QEvent + 504<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      44  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106a5b224 _ZN15sipQApplication6notifyEP7QObjectP6QEvent + 248<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      45  QtCore                              0x0000000106f89474 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent + 292<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      46  QtGui                               0x00000001076eb9ec _ZN22QGuiApplicationPrivate17processMouseEventEPN29QWindowSystemInterfacePrivate10MouseEventE + 1740<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      47  QtGui                               0x0000000107747674 _ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE + 408<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      48  libqcocoa.dylib                     0x0000000107567d74 qt_plugin_instance + 58768<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      49  CoreFoundation                      0x0000000187ff7a4c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      50  CoreFoundation                      0x0000000187ff79e0 __CFRunLoopDoSource0 + 176<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      51  CoreFoundation                      0x0000000187ff7750 __CFRunLoopDoSources0 + 244<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      52  CoreFoundation                      0x0000000187ff6340 __CFRunLoopRun + 828<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      53  CoreFoundation                      0x0000000187ff59ac CFRunLoopRunSpecific + 608<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      54  HIToolbox                           0x00000001925a4448 RunCurrentEventLoopInMode + 292<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      55  HIToolbox                           0x00000001925a40d8 ReceiveNextEventCommon + 220<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      56  HIToolbox                           0x00000001925a3fdc _BlockUntilNextEventMatchingListInModeWithFilter + 76<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      57  AppKit                              0x000000018b7d28a4 _DPSNextEvent + 660<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      58  AppKit                              0x000000018bfac980 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 716<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      59  AppKit                              0x000000018b7c5d50 -[NSApplication run] + 476<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      60  libqcocoa.dylib                     0x00000001075658fc qt_plugin_instance + 49432<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      61  QtCore                              0x0000000106f93160 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE + 540<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      62  QtCore                              0x0000000106f89b00 _ZN16QCoreApplication4execEv + 112<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      63  <a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>                   0x0000000106b6439c _ZL22meth_QApplication_execP7_objectS0_ + 96<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      64  Python                              0x00000001062722ec cfunction_call + 108<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      65  Python                              0x0000000106203378 _PyObject_MakeTpCall + 128<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      66  Python                              0x0000000106348a40 _PyEval_EvalFrameDefault + 47144<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      67  Python                              0x000000010633cf00 PyEval_EvalCode + 304<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      68  Python                              0x00000001063bd448 run_mod + 176<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      69  Python                              0x00000001063bc4d8 pyrun_file + 148<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      70  Python                              0x00000001063bb43c _PyRun_SimpleFileObject + 304<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      71  Python                              0x00000001063bb0ac _PyRun_AnyFileObject + 248<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      72  Python                              0x00000001063e9330 pymain_run_file_obj + 220<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      73  Python                              0x00000001063e9070 pymain_run_file + 72<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      74  Python                              0x00000001063e89a8 Py_RunMain + 1464<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      75  Python                              0x00000001063e8b48 pymain_main + 36<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">      76  Python                       <u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">libc++abi: terminating due to uncaught exception of type NSException<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">zsh: abort      python3 demo.py<u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New"">bobshotwell@Bobs-Mac-Studio documents % <u></u><u></u></span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">This is the same error, under the same comditions, as the error I encountered in my generator application.  Note that line 17 is essentially the same statement, but it is run during initialization.  Line 17 works as expected.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">I then issued the same ChatGPT 4.0 prompt changing only ‘Pyqt6’ to ‘Tkinter’.  The resulting script worked as expected.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">Any assistance you can provide will be greatly appreciated.  My Application Generator is dead in the water with this error.  I really don’t want to switch to Tkinter.<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><u></u> <u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif">Bob Shotwell<u></u><u></u></p><p class="MsoNormal" style="margin:0in;font-size:medium;font-family:Calibri,sans-serif"><span style="font-size:8pt;font-family:"Courier New""> </span></p></div></blockquote></div>