Hello,

I am new to sfepy, so as I as going over the first example a bumped into this problem while runing ./postproc.py its2D.vtk

[arthur@arthurpc sfepy]$ ./postproc.py cylinder.vtk

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

sfepy: point scalars t at [-0.05 -0.02 0. ]

sfepy: range: -2.00e+00 2.00e+00 l2 norm range: 1.06e-02 2.00e+00

No handlers could be found for logger "mayavi.core.common"

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

Exception occurred in traits notification handler.

Please check the log file for details.

Exception occurred in traits notification handler for object: <mayavi.tools.mlab_scene_model.MlabSceneModel object at 0x7effbfbdb3b0>, trait: activated, old value: <undefined>, new value: True

Traceback (most recent call last):

File "/home/arthur/anaconda/lib/python2.7/site-packages/traits/trait_notifiers.py", line 520, in _dispatch_change_event

self.dispatch( handler, *args )

File "/home/arthur/anaconda/lib/python2.7/site-packages/traits/trait_notifiers.py", line 483, in dispatch

handler( *args )

File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 1217, in _post_init

viewer.render_scene(self.scene, viewer.options)

File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 687, in render_scene

self.build_mlab_pipeline(**options)

File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 527, in build_mlab_pipeline

active = mlab.pipeline.set_active_attribute(source)

File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 38, in the_function

factory = factory_class(*args, **kwargs)

File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 163, in __init__

self.set(**traits)

File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 180, in set

self._anytrait_changed(trait, value)

File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 198, in _anytrait_changed

setattr(obj, components[-1], value)

File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/core/trait_defs.py", line 101, in set_value

value )

TraitError: The 'point_vectors_name' trait of a SetActiveAttribute instance must be one of [], but a value of '' <type 'str'> was specified.

./src/common/module.cpp(194): assert "module->m_state == State_Initialized" failed in DoCleanUpModules(): not initialized module being cleaned up

Any ideas of how can I get this fixed?

Appreciate your help!

Arthur.