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

Question

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 :(

Answer 1

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.