User has installed Python (e.g version 3.6.5), and installed "comtypes" python package (e.g. comtypes version 1.1.7) to integrate with Statistica by following this article. 
User has also added the the paths of the Python executables to Windows System Environmental Path variable (e.g. “C:\Python36;C:\Python36\Scripts").

User encounters below error when executing custom python node in Statistica workspace when routing output as downstream:

Traceback (most recent call last):
  File "C:\Users\srai\AppData\Local\Temp\tmpBBF7.py", line 905, in <module>
    RouteOutput(df,'Final',AsDownstream = True)
  File "C:\Users\srai\AppData\Local\Temp\tmpBBF7.py", line 795, in RouteOutput
    Application.StatusBar = ""
  File "C:\Users\srai\AppData\Local\Programs\Python\Python36\lib\site-packages\comtypes\__init__.py", line 292, in __setattr__
    value)
_ctypes.COMError: (-2147417856, 'System call failed.', (None, None, None, 0, None))