Error in atexit._run_exitfuncs

[Alduin-Y]

Traceback (most recent call last):
File "E:/Tools/python3.6.3/Lib/site-packages/imagepy/main.py", line 4, in
imagepy.show()
File "E:\Tools\python3.6.3\lib\site-packages\imagepy_init_.py", line 31, in show
ImagePy(None).Show()
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\mainframe.py", line 52, in init
if IPy.uimode()=='ipy': self.load_aui()
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\mainframe.py", line 96, in load_aui
self.widgets = widgetsloader.build_widgets(self, 'widgets', 'plugins')
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\widgetsloader.py", line 34, in build_widgets
return build_widgets_panel(parent, datas, panel)
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\widgetsloader.py", line 21, in build_widgets_panel
build_widget(choicebook, i)
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\widgetsloader.py", line 10, in build_widget
parent.AddPage(i(parent), i.title, False )
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\widgets\histogram\histogram_wgt.py", line 17, in init
self.sli_high = FloatSlider(self, (0,255), 0, '')
File "E:\Tools\python3.6.3\lib\site-packages\imagepy\ui\widgets\normal.py", line 283, in init
subsizer.Add( self.spin, 0, wx.ALIGN_CENTER|wx.BOTTOM|wx.EXPAND, 5 )
wx._core.wxAssertionError: C++ assertion "!(flags & (wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL))" failed at ....\src\common\sizer.cpp(2114) in wxBoxSizer::DoInsert(): Vertical alignment flags are ignored with wxEXPAND
Error in atexit._run_exitfuncs:
wx._core.wxAssertionError: C++ assertion "GetEventHandler() == this" failed at ....\src\common\wincmn.cpp(475) in wxWindowBase::~wxWindowBase(): any pushed event handlers must have been removed

How can I solve this problem

[qixinbo]

Which version is your wxpython? You may set it to 4.0.7 to have a try.