I posted this a while back to the MatPlotLib Issues. Reposting here because it was suggested that this was a wxPython issue: matplotlib/matplotlib#17513. import wx import wx.lib.scrolledpanel as ...

Spyder hangs in the debugger with wxPython scripts if matplotlib is installed. What steps reproduce the problem? The script below hangs in the Spyder debugger when the 2nd line (wx.App()) is executed.