Re: Bug in wxPython? MessageDialog.ShowModal() returning always zero on OS X

I just ran into this myself. I have a cross platform app written in 
python/wx.python and it worked fine on Windows so I couldn't figure out why 
it wasn't working on OSX. Debugging in pyCharm showed that the dialog 
always returned 0 but I had no idea why. I'm glad you guys mentioned the 
threading issue because I never would have suspected that as the problem. I 
was doing this in a thread because it was for an update checker and I 
didn't want to block the main UI while I waited for the http request to 
return. I just moved the dialog part out to a function in the main UI 
thread and used CallAfter like you guys suggested and it worked like a 
charm. 

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