Traceback (most recent call last):
  File "C:/PROGRA~1/QUANTU~1/apps/grass/grass-6.4.2/etc/wxpy
thon/wxgui.py", line 311, in OnGCPManager

gcpmanager.GCPWizard(self)
  File "C:\PROGRA~1\QUANTU~1\apps\grass\grass-6.4.2\etc\wxpy
thon\gui_modules\gcpmanager.py", line 230, in __init__

Map=self.SrcMap, lmgr=self.parent)
  File "C:\PROGRA~1\QUANTU~1\apps\grass\grass-6.4.2\etc\wxpy
thon\gui_modules\gcpmanager.py", line 742, in __init__

Map=Map, toolbars=["gcpdisp"], lmgr=lmgr,
name='GCPMapWindow')
  File "C:\PROGRA~1\QUANTU~1\apps\grass\grass-6.4.2\etc\wxpy
thon\gui_modules\gcpmapdisp.py", line 133, in __init__

self.AddToolbar(toolb)
  File "C:\PROGRA~1\QUANTU~1\apps\grass\grass-6.4.2\etc\wxpy
thon\gui_modules\gcpmapdisp.py", line 357, in AddToolbar

self.toolbars['gcpdisp'] = toolbars.GCPDisplayToolbar(self)
  File "C:\PROGRA~1\QUANTU~1\apps\grass\grass-6.4.2\etc\wxpy
thon\gui_modules\toolbars.py", line 400, in __init__

style = wx.CB_READONLY)
  File "C:\PROGRA~1\QUANTU~1\apps\Python27\lib\site-
packages\wx-2.8-msw-unicode\wx\_controls.py", line 494, in
__init__

_controls_.Choice_swiginit(self,_controls_.new_Choice(*args,
**kwargs))
wx._core
.
PyAssertionError
:
C++ assertion "!(style & wxCB_DROPDOWN) && !(style &
wxCB_READONLY) && !(style & wxCB_SIMPLE)" failed at
..\..\src\msw\choice.cpp(121) in wxChoice::Create(): this
style flag is ignored by wxChoice, you probably want to use
a wxComboBox