Face recognition from step file example crashes

[akamensky]

python core_geometry_face_recognition_from_stepfile.py
INFO:OCC.Display.backend:backend loaded: qt-pyqt5
INFO:OCC.Display.SimpleGui:GUI backend set to: qt-pyqt5
 ###### 3D rendering pipe initialisation #####
Display3d class initialization starting ...
Aspect_DisplayConnection created.
Graphic_Driver created.
V3d_Viewer created.
AIS_InteractiveContext created.
V3d_View created
Cocoa window created.
Display3d class successfully initialized.
 ########################################
 **  Model Complete Check List  **
Check:1 -- Entity (n0:id) 543:#552   Type:POINT_STYLE
Parameter n0.2 (marker) : Entity has illegal type
Face selected:  <class 'TopoDS_Compound'>
Traceback (most recent call last):
  File "/Users/blah/anaconda3/envs/opencad/lib/python3.7/site-packages/OCC/Display/qtDisplay.py", line 232, in mouseReleaseEvent
    self._display.Select(pt.x(), pt.y())
  File "/Users/blah/anaconda3/envs/opencad/lib/python3.7/site-packages/OCC/Display/OCCViewer.py", line 620, in Select
    callback(self.selected_shapes, X, Y)
  File "core_geometry_face_recognition_from_stepfile.py", line 108, in recognize_clicked
    recognize_face(topods_Face(shape))
RuntimeError: Standard_TypeMismatch
TopoDS::Face
wrapper details:
  * symname: topods_Face
  * wrapname: _wrap_topods_Face__SWIG_0
  * fulldecl: TopoDS_Face const TopoDS::Face(TopoDS_Shape const &)
Abort trap: 6