Incompatibility with pywin32

from PySide6.QtWidgets import QApplication
import pythoncom 

Traceback (most recent call last):
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\tokenize.py", line 330, in find_cookie
    line_string = line.decode('utf-8')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x90 in position 2: invalid start byteDuring handling of the above exception, another exception occurred:Traceback (most recent call last):
  File "C:\Users\username\AppData\Roaming\JetBrains\PyCharmCE2022.3\scratches\scratch_39.py", line 2, in <module>
    import pythoncom
  File "D:\PythonProjekte\appname\venv\lib\site-packages\pythoncom.py", line 2, in <module>
    import pywintypes
  File "shibokensupport/signature/loader.py", line 61, in feature_imported
  File "shibokensupport/feature.py", line 137, in feature_imported
  File "shibokensupport/feature.py", line 148, in _mod_uses_pyside
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\inspect.py", line 997, in getsource
    lines, lnum = getsourcelines(object)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\inspect.py", line 979, in getsourcelines
    lines, lnum = findsource(object)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\inspect.py", line 794, in findsource
    lines = linecache.getlines(file, module.__dict__)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\linecache.py", line 47, in getlines
    return updatecache(filename, module_globals)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\linecache.py", line 136, in updatecache
    with tokenize.open(fullname) as fp:
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\tokenize.py", line 394, in open
    encoding, lines = detect_encoding(buffer.readline)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\tokenize.py", line 371, in detect_encoding
    encoding = find_cookie(first)
  File "C:\Users\username\AppData\Local\Programs\Python\Python38\lib\tokenize.py", line 335, in find_cookie
    raise SyntaxError(msg)
SyntaxError: invalid or missing encoding declaration for 'D:\\PythonProjekte\\appname\\venv\\lib\\site-packages\\pywin32_system32\\pywintypes38.dll'Process finished with exit code 1