pip3 install pipenv
mkdir django

Installing collected packages: pytz, django
Successfully installed django-2.0.7 pytz-2018.5

Adding django to Pipfile's [packages]...
Pipfile.lock not found, creating...
Locking [dev-packages] dependencies...
Locking [packages] dependencies...
Updated Pipfile.lock (85c883)!
Installing dependencies from Pipfile.lock (85c883)...
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To activate this project's virtualenv, run pipenv shell.
Alternatively, run a command inside the virtualenv with pipenv run.

pipenv install django
pipenv shell

a8206602016e:test billybob$ pipenv shell
Launching subshell in virtual environment…
Traceback (most recent call last):
  File "/Users/billybob/.pyenv/versions/3.6.5/bin/pipenv", line 11, in <module>
    sys.exit(cli())
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/cli.py", line 664, in shell
    three=three, python=python, fancy=fancy, shell_args=shell_args, pypi_mirror=pypi_mirror
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/core.py", line 2163, in do_shell
    shell.fork_compat(*fork_args)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/shells.py", line 107, in fork_compat
    self.cmd, ['-i'], dimensions=(dims.lines, dims.columns),
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pexpect/pty_spawn.py", line 204, in __init__
    self._spawn(command, args, preexec_fn, dimensions)
  File "/Users/billybob/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pexpect/pty_spawn.py", line 276, in _spawn
    'executable: %s.' % self.command)
pipenv.vendor.pexpect.exceptions.ExceptionPexpect: The command was not found or was not executable: /bin/false.
a8206602016e:test billybob$