PyAssertionError: C++ assertion "!wxMouseCapture::stack.empty()" failed at ..\..\src\common\wincmn.cpp(3319) in wxWindowBase::ReleaseMouse(): Releasing mouse capture but capture stack empty?

[Tim_Hammond <tr...@ii...>]

Stacktrace:

Traceback (most recent call last):
File "timelinelib\calendar\gregorian\timepicker\datetime.pyc", line 203, 
in OnDismiss
File "timelinelib\calendar\gregorian\timepicker\datetime.pyc", line 224, 
in on_dismiss
File "wx\_windows.pyc", line 2150, in Popup
PyAssertionError: C++ assertion "!wxMouseCapture::stack.empty()" failed 
at ..\..\src\common\wincmn.cpp(3319) in wxWindowBase::ReleaseMouse(): 
Releasing mouse capture but capture stack empty?

Environment:

Timeline version: 1.14.0 (79337ed1b122 2017-05-08)
System version: Windows, Donaldduck-PC, 7, 6.1.7601, x86, x86 Family 6 
Model 37 Stepping 2, GenuineIntel
Python version: 2.7.6 (default, Nov 10 2013, 19:24:18) [MSC v.1500 32 
bit (Intel)]
wxPython version: 3.0.2.0 msw (classic)
Locale setting: English_United States 1252
Locale sample date: 3333-11-22

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