Pipenv trouble on MacOS “TypeError: 'module' object is not callable”

I'm starting to try and get a working pipenv, however on my Mac, it is appears that my Python enviroment is a little screwed. I removed OS X python following this post , and installed both python2.7 and python3.7 using brew. But now when trying to use pipenv(2.7) to create a virtualenv, and pipfile, I keep getting an error about python 3.7, when locking pacakges:

$ pipenv --python=/usr/local/bin/python install pynetbox ipaddress
Virtualenv already exists!
Removing existing virtualenv...
Creating a virtualenv for this project...
Pipfile: /Users/daniel/scripts/netbox/Pipfile

...

adding ipaddress to Pipfile's [packages]...
Pipfile.lock not found, creating...
Locking [dev-packages] dependencies...
Locking [packages] dependencies...
c/lib/python3.7/site-packages/pipenv/utils.py", line 250, in actually_resolve_deps
    req = Requirement.from_line(dep)
  File "/usr/local/Cellar/pipenv/2018.7.1/libexec/lib/python3.7/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 704, in from_line
    line, extras = _strip_extras(line)
TypeError: 'module' object is not callable
/usr/local/Cellar/pipenv/2018.7.1/libexec/lib/python3.7/site-packages/pipenv/_compat.py:113: ResourceWarning: Implicitly cleaning up <TemporaryDirectory '/var/folders/pc/hlxw3whn3cl1x3h45ll2m8gw0000gs/T/pipenv-TYWa8Y-requirements'>
  warnings.warn(warn_message, ResourceWarning)

I have reinstalled PIP, and python a few times, and no luck. Any ideas would be greatly appreciated. Im sure by python is probably just in some bad state :(

This is a bug in pipenv caused by using it alongside the newest version of pip (18.1): https://github.com/pypa/pipenv/issues/2924. You need to downgrade pip — both inside and outside the pipenv environment — to version 18.0 in order for pipenv to work.

Actual commands to do as the answer by @jwodder.

Run the following commands on the root directory.

pip install pipenv

Then

pipenv run pip install pip==18.0

Then

pipenv install

The previous answers were correct at the time, but the issue seems to have been fixed in the latest version of pipenv. Updating it fixed it for me:

pip3 install --upgrade pipenv

This allows you to run the latest versions of both pip and pipenv without problems

来源：https://stackoverflow.com/questions/52706769/pipenv-trouble-on-macos-typeerror-module-object-is-not-callable

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