Traceback (most recent call last):
  File "wx\lib\buttons.pyc", line 161, in Enable
  File "wx\_core.pyc", line 9968, in Enable
wx._core.PyAssertionError: C++ assertion "Assert failure" failed at ..\..\src\common\wincmn.cpp(3346) in DoNotifyWindowAboutCaptureLost(): window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST
