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Python code completion does not work in PyCrust and in PTV Visum menu 'Scripts->VisumAddIn->Python Console'.
Only commands beginning with '_' are shown.
Error message contains 'gencache.py', like 'C:\Program Files\Python37\lib\site-packages\win32com\client\gencache.py, line ..., in ...'
Python code completion will work again when the subfolder 'gen-py' in the %TMP% folder is deleted.
This is the Python cache (default location 'C:\Users\<user name>\AppData\Local\Temp\gen_py').
In addition, please ensure that Visum is registered as COM server.