Traceback (most recent call last):
  File "/home/turboss/Proyectos/qtpyvcp/qtpyvcp/widgets/qtdesigner/designer_plugin.py", line 82, in createWidget
    w = self.pluginClass()(parent)
  File "/home/turboss/Proyectos/qtpyvcp/qtpyvcp/widgets/display_widgets/vtk_backplot/vtk_backplot.py", line 89, in __init__
    super(VTKBackPlot, self).__init__(parent)
  File "/home/turboss/.local/lib/python2.7/site-packages/vtk/qt/QVTKRenderWindowInteractor.py", line 233, in __init__
    QWidget.__init__(self, parent, wflags | Qt.MSWindowsOwnDC)
  File "/home/turboss/Proyectos/qtpyvcp/qtpyvcp/widgets/display_widgets/vtk_backplot/base_backplot.py", line 14, in __init__
    raise ValueError("Invalid INI file: %s", inifile)
ValueError: ('Invalid INI file: %s', '/dev/null')