x11-toolkits/py-wxPython28 was been modified to do not install wxversion python
files which conflict with wxPython30. Instead a new port has been created
(x11-toolkits/py-wxPython-common) which only installs wxversion and wx.pth
responsible for selecting the wxPython version.
Stage support has been added to all related ports.
Maintainership has been reset to python@.
The final goal is to make all ports use wxPython30 so we can remove wxPython28.
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