```Traceback (most recent call last):
  File "/usr/local/bin/qtpyvcp", line 11, in <module>
    load_entry_point('qtpyvcp', 'console_scripts', 'qtpyvcp')()
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/__init__.py", line 87, in main
    run_vcp(opts, None)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/__init__.py", line 110, in run_vcp
    load_vcp(opts)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/vcp_launcher.py", line 128, in load_vcp
    _load_vcp_from_entry_point(vcp, opts)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/vcp_launcher.py", line 173, in _load_vcp_from_entry_point
    vcp.main(opts)
  File "/home/chris/dev/qtpyvcp-master/examples/probe_basic/__init__.py", line 19, in main
    qtpyvcp.run_vcp(opts, VCP_CONFIG_FILE)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/__init__.py", line 137, in run_vcp
    launch_application(opts, config)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/vcp_launcher.py", line 76, in launch_application
    loadWindows(config['windows'])
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/vcp_launcher.py", line 202, in loadWindows
    window = _initialize_object_from_dict(window_dict)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/vcp_launcher.py", line 196, in _initialize_object_from_dict
    return obj(*args, **kwargs)
  File "/home/chris/dev/qtpyvcp-master/examples/probe_basic/probe_basic.py", line 18, in __init__
    super(ProbeBasic, self).__init__(*args, **kwargs)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/widgets/form_widgets/main_window.py", line 47, in __init__
    self.loadUi(ui_file)
  File "/home/chris/dev/qtpyvcp-master/qtpyvcp/widgets/form_widgets/main_window.py", line 106, in loadUi
    uic.loadUi(ui_file, self)
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/__init__.py", line 226, in loadUi
    return DynamicUILoader(package).loadUi(uifile, baseinstance, resource_suffix)
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/Loader/loader.py", line 72, in loadUi
    return self.parse(filename, resource_suffix, basedir)
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/uiparser.py", line 1000, in parse
    actor(elem)
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/uiparser.py", line 909, in createConnections
    conn.findtext('slot').split('(')[0])
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/objcreator.py", line 137, in getSlot
    return self._cpolicy.getSlot(obj, slotname)
  File "/usr/lib/python2.7/dist-packages/PyQt5/uic/Loader/qobjectcreator.py", line 149, in getSlot
    return getattr(object, slotname)
  File "/home/chris/.local/lib/python2.7/site-packages/vtk/qt/QVTKRenderWindowInteractor.py", line 309, in __getattr__
    " has no attribute named " + attr)
AttributeError: VTKBackPlot has no attribute named programBounds
```