[PYTHON] Umgang mit Enum-Kompatibilitätsfehlern

Ursachen und Abhilfemaßnahmen für Fehler, die bei der Installation von Optuna aufgetreten sind

Die Umgebung ist wie folgt

• Windows 10 Home
• python 3.6.5
• pip 19.3.1

Ich habe eine Fehlermeldung erhalten, als ich den folgenden Code ausgeführt habe, um Optuna zu installieren

Ausführungsanweisung

pip install optuna

Ausführungsergebnis

Collecting optuna
  Downloading https://files.pythonhosted.org/packages/33/32/266d4afd269e3ecd7fcc595937c1733f65eae6c09c3caea74c0de0b88d78/optuna-1.5.0.tar.gz (200kB)
     |████████████████████████████████| 204kB 1.7MB/s
Collecting alembic
  Downloading https://files.pythonhosted.org/packages/60/1e/cabc75a189de0fbb2841d0975243e59bde8b7822bacbb95008ac6fe9ad47/alembic-1.4.2.tar.gz (1.1MB)
     |████████████████████████████████| 1.1MB 6.4MB/s
  Installing build dependencies ... error
  ERROR: Command errored out with exit status 1:
   command: 'D:\Users\(user_name)\Anaconda3\python.exe' 'D:\Users\(user_name)\Anaconda3\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\(user_name)\AppData\Local\Temp\pip-build-env-5wsdb490\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel
       cwd: None
  Complete output (14 lines):
  Traceback (most recent call last):
    File "D:\Users\(user_name)\Anaconda3\lib\runpy.py", line 193, in _run_module_as_main
      "__main__", mod_spec)
    File "D:\Users\(user_name)\Anaconda3\lib\runpy.py", line 85, in _run_code
      exec(code, run_globals)
    File "D:\Users\(user_name)\Anaconda3\lib\site-packages\pip\__main__.py", line 16, in <module>
      from pip._internal.main import main as _main  # isort:skip # noqa
    File "D:\Users\(user_name)\Anaconda3\lib\site-packages\pip\_internal\main.py", line 8, in <module>
      import locale
    File "D:\Users\(user_name)\Anaconda3\lib\locale.py", line 16, in <module>
      import re
    File "D:\Users\(user_name)\Anaconda3\lib\re.py", line 142, in <module>
      class RegexFlag(enum.IntFlag):
  AttributeError: module 'enum' has no attribute 'IntFlag'
  ----------------------------------------
ERROR: Command errored out with exit status 1: 'D:\Users\(user_name)\Anaconda3\python.exe' 'D:\Users\(user_name)\Anaconda3\lib\site-packages\pip'
 install --ignore-installed --no-user --prefix 'C:\Users\(user_name)\AppData\Local\Temp\pip-build-env-5wsdb490\overlay' --no-warn-script-location 
--no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel Check the logs for full command output.

Fehlerinhalt

Fehleranweisung

ERROR: Command errored out with exit status 1: 'D:\Users\(user_name)\Anaconda3\python.exe' 'D:\Users\(user_name)\Anaconda3\lib\site-packages\pip'
 install --ignore-installed --no-user --prefix 'C:\Users\(user_name)\AppData\Local\Temp\pip-build-env-5wsdb490\overlay' --no-warn-script-location 
--no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel Check the logs for full command output.

Ursache

``

pip uninstall enum34