پيدا كردن ماژول هاي نصب شده

سلام وقت بخير

در قسمت 52 آموزش پايتون براي پيدا كردن ماژول هاي نصب شده از (help("modules  استفاده كردم و ماژول ها را برايم آورد اما وقتي ("help("modules termcolor2 را Enter كردم، با  Attribute Eror مواجه شدم.

علت چيست و چگونه ميشود برطرفش كرد؟

ارادتمند

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\_sitebuiltins.py", line 103, in __call__
    return pydoc.help(*args, **kwds)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\pydoc.py", line 1908, in __call__
    self.help(request)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\pydoc.py", line 1957, in help
    self.listmodules(request.split()[1])
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\pydoc.py", line 2093, in listmodules
    apropos(key)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\pydoc.py", line 2187, in apropos
    ModuleScanner().run(callback, key, onerror=onerror)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1008.0_x64__qbz5n2kfra8p0\lib\pydoc.py", line 2148, in run
    loader = spec.loader
AttributeError: 'NoneType' object has no attribute 'loader'