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PipenvでImportError: cannot import name 'get_installed_distributions'ってエラー出た

python pipenv

pipenvのgraphしたらエラーが出たから、その時の対処のメモと言うか、いらないと思うけど、メモっとく

$ pipenv graph
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/pipdeptree.py", line 17, in <module>
    from pip._internal import get_installed_distributions
ImportError: cannot import name 'get_installed_distributions'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/pipenv", line 11, in <module>
    sys.exit(cli())
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/pipenv/cli.py", line 922, in graph
    do_graph(bare=bare, json=json, json_tree=json_tree, reverse=reverse)
  File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 2363, in do_graph
    import pipdeptree
  File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/pipdeptree.py", line 20, in <module>
    from pip import get_installed_distributions, FrozenRequirement
ImportError: cannot import name 'get_installed_distributions'

ここに書いてあった

python3 -m pip install --upgrade pip
python3 -m pip install --upgrade pipenv

でできた

参考文献