Currently Pypy 3.5 is broken on Travis-CI, so I've disabled it in .travis.yml. You can uncomment it in there, commit in a branch, and push it to Github to check whether this is still the case. For me it stopped with this error:
$ pipenv install --dev
Traceback (most recent call last):
File "/home/travis/virtualenv/pypy3.5-5.10.1/bin/pipenv", line 7, in <module>
from pipenv import cli
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/__init__.py", line 47, in <module>
from .cli import cli
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/cli/__init__.py", line 3, in <module>
from .command import cli
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/cli/command.py", line 19, in <module>
from .options import (
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/cli/options.py", line 11, in <module>
from .. import environments
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/environments.py", line 7, in <module>
from ._compat import fix_utf8
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/_compat.py", line 96, in <module>
OUT_ENCODING, ERR_ENCODING = force_encoding()
File "/home/travis/virtualenv/pypy3.5-5.10.1/site-packages/pipenv/_compat.py", line 66, in force_encoding
from ctypes import pythonapi, py_object, c_char_p
ImportError: cannot import name 'pythonapi'```
Currently Pypy 3.5 is broken on Travis-CI, so I've disabled it in
.travis.yml
. You can uncomment it in there, commit in a branch, and push it to Github to check whether this is still the case. For me it stopped with this error: