Mayavi saving pics issues

Question

I'm developing a desktop app which uses the Mayavi package. So, I'm using anaconda with mayavi 4.4.0 and pyqt 4.11.3 (python 2.7). When I try to save the image using the Mayavi interface I get:

KGlobal::locale(): Warning your global KLocale is being recreated with a valid main component instead of a fake component, this usually means you tried to call i18n related functions before your main component was created. You should not do that since it most likely will not work
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)
kfilemodule(5709): couldn't create slave: "Unable to create io-slave:
klauncher said: Unknown protocol ''.
" 
Traceback (most recent call last):
  File "/home/facu/anaconda/lib/python2.7/site-packages/pyface/ui/qt4/action/action_item.py", line 358, in _qt4_on_triggered
    action.perform(action_event)
  File "/home/facu/anaconda/lib/python2.7/site-packages/pyface/action/action.py", line 100, in perform
    self.on_perform()
  File "/home/facu/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/qt4/decorated_scene.py", line 159, in _save_snapshot
    if dialog.open() == OK:
  File "/home/facu/anaconda/lib/python2.7/site-packages/pyface/i_dialog.py", line 122, in open
    self.close()
  File "/home/facu/anaconda/lib/python2.7/site-packages/pyface/ui/qt4/file_dialog.py", line 103, in close
    self.wildcard_index = self.control.nameFilters().index(
AttributeError: 'QStringList' object has no attribute 'index'

I have fixed others issues editing *.py files, I don't know how to fix this one in particular .