Resolved issue #89 where pressing or holding the Ctrl key caused the app to crash with an unhandled exception. The crash was due to attempting to unpack a NoneType object returned by get_mouse_position. Added a check to ensure get_mouse_position does not return None before unpacking its values.
Resolved issue #89 where pressing or holding the Ctrl key caused the app to crash with an unhandled exception. The crash was due to attempting to unpack a NoneType object returned by
get_mouse_position. Added a check to ensureget_mouse_positiondoes not return None before unpacking its values.Closes #89