[Matplotlib-users] TypeError: instancemethod expected at least 2 arguments, got 0

[Nils W. <nw...@ia...>]

   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/backend_qt4.py", 
line 463, in edit_parameters
     figureoptions.figure_edit(axes, self)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/figureoptions.py", 
line 132, in figure_edit
     icon=get_icon('qt4_editor_options.svg'), 
apply=apply_callback)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/formlayout.py", 
line 511, in fedit
     dialog = FormDialog(data, title, comment, icon, 
parent, apply)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/formlayout.py", 
line 416, in __init__
     parent=self)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/formlayout.py", 
line 390, in __init__
     widget = FormComboWidget(data, comment=comment, 
parent=self)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/formlayout.py", 
line 368, in __init__
     widget = FormWidget(data, comment=comment, 
parent=self)
   File 
"/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/formlayout.py", 
line 233, in __init__
     self.data = deepcopy(data)
   File "/usr/lib64/python2.6/copy.py", line 162, in 
deepcopy
     y = copier(x, memo)
   File "/usr/lib64/python2.6/copy.py", line 228, in 
_deepcopy_list
     y.append(deepcopy(a, memo))
   File "/usr/lib64/python2.6/copy.py", line 162, in 
deepcopy
     y = copier(x, memo)
   File "/usr/lib64/python2.6/copy.py", line 235, in 
_deepcopy_tuple
     y.append(deepcopy(a, memo))
   File "/usr/lib64/python2.6/copy.py", line 162, in 
deepcopy
     y = copier(x, memo)
   File "/usr/lib64/python2.6/copy.py", line 228, in 
_deepcopy_list
     y.append(deepcopy(a, memo))
   File "/usr/lib64/python2.6/copy.py", line 162, in 
deepcopy
     y = copier(x, memo)
   File "/usr/lib64/python2.6/copy.py", line 292, in 
_deepcopy_inst
     state = deepcopy(state, memo)
   File "/usr/lib64/python2.6/copy.py", line 162, in 
deepcopy
     y = copier(x, memo)
   File "/usr/lib64/python2.6/copy.py", line 255, in 
_deepcopy_dict
     y[deepcopy(key, memo)] = deepcopy(value, memo)
   File "/usr/lib64/python2.6/copy.py", line 189, in 
deepcopy
     y = _reconstruct(x, rv, 1, memo)
   File "/usr/lib64/python2.6/copy.py", line 323, in 
_reconstruct
     y = callable(*args)
   File "/usr/lib64/python2.6/copy_reg.py", line 93, in 
__newobj__
     return cls.__new__(cls, *args)
TypeError: instancemethod expected at least 2 arguments, 
got 0