[PyQt] Uninstalling a wheel

Cody Scott cody at perspexis.com
Thu Feb 16 14:11:59 GMT 2017

PyQt5 has a dependency sip

When you `pip uninstall pyqt5` it does not uninstall sip.

You can do that with `pip uninstall sip`

> The problem is, unless that sip dependency is manually removed, any
attempt to use PyQt5 results in python3 segfaulting.

If you just uninstalled PyQt5 then you won't be able to use it.

On Thu, Feb 16, 2017 at 7:22 AM, Phil Thompson <phil at riverbankcomputing.com>

> On 16 Feb 2017, at 11:49 am, Wolfgang Rohdewald <wolfgang.kde at rohdewald.de>
> wrote:
> >
> > Am Donnerstag, 16. Februar 2017, 11:40:17 CET schrieb Phil Thompson:
> >> I never use the --user switch so can't comment on what it does.
> >
> > gentoo has a big warning:
> >
> > Running pip as root is not advised. It can render important system tools
> > like emerge useless.
> >
> > So if I understand you correctly, the PyQt5 wheel is not meant to
> > be installed on gentoo?
> I don't see how you draw that conclusion. The wheels are just wheels -
> nothing special about them. How you choose to use pip is up to you. If
> there are issues with using pip in a particular circumstance then that has
> nothing to do with PyQt.
> Phil
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