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Editorial Team
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Asked: 2026-05-24T09:48:44+00:00

I’ve just bought a new computer with Lion on it. I’ve downloaded and installed

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I’ve just bought a new computer with Lion on it. I’ve downloaded and installed both Python 2.7 and wxPython 2.8 (for 2.7). I know Python comes with the system, but I rather go with the official one.

Anyway, upon typing “import wx” on the IDLE, I get the following message:

Traceback (most recent call last):
File “”, line 1, in
import wx
File “/usr/local/lib/wxPython-unicode-2.8.12.1/lib/python2.7/site-packages/wx-2.8-mac-unicode/wx/init.py”, line 45, in
from wx._core import *
File “/usr/local/lib/wxPython-unicode-2.8.12.1/lib/python2.7/site-packages/wx-2.8-mac-unicode/wx/_core.py”, line 4, in
import core
ImportError: dlopen(/usr/local/lib/wxPython-unicode-2.8.12.1/lib/python2.7/site-packages/wx-2.8-mac-unicode/wx/core.so, 2): no suitable image found. Did find:
/usr/local/lib/wxPython-unicode-2.8.12.1/lib/python2.7/site-packages/wx-2.8-mac-unicode/wx/core.so: no matching architecture in universal wrapper

I believe it happens because wxPython only supports 32-bit, but I can’t figure out how to force python to run on 32-bit.

Anyone could help?
Thank you in advance.

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1 Answer

  1. Editorial Team

    wxPython 2.9 supports 64-bit on Mac too (see the Development version section and look for the cocoa build: http://wxpython.org/download.php). This was also discussed on the mailing list, and multiple users confirmed that wx works on Lion: https://groups.google.com/forum/#!searchin/wxpython-users/lion/wxpython-users/LvjSVqqMMpQ/U0QJXEeBpLQJ

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