[Eric] A glitch in warning of "unused" files

[Algis Kabaila]

Hi Detlev,

The attached script shows how a required file is marked as unused with a 
warning.  The warning is 

Warning: "qrc_hi" imported but unused.

However, in line 27 of hi.py the qrc_hi is used, though the reference to it is 
indirect and in a rather obscure format.  I attach the script hi.py, hi.qrc, 
hi.ui and an icon from a  small collection of icons, to enable an  independent 
verification. The XML file hi.qrc shows how the "document-new.png" fits in the 
small package of icons.

The debugger check of unused files and variables has proved itself extremely 
useful, at least for me - I was really surprised how many times I had unused 
variables and files - thank you for such a useful facility!

Regards,
Al.
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<!DOCTYPE RCC><RCC version="1.0">
<qresource>
<file alias="hi.png">select_tango/32x32/actions/document-new.png</file>
</qresource>
</RCC>
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