Traceback (most recent call last):


 "./tools/test_net.py", line 70, in <module>

while not os.path.exists(args.model) and args.wait:


 "/usr/lib/python2.7/genericpath.py", line 18, in exists

os.stat(path)
TypeError: coercing to Unicode: need string or buffer, NoneType found
Traceback (most recent call last):


 "/Users/pradyunsg/.pyenv/versions/3.7.0/bin/pipenv", line 11, in <module>

sys.exit(cli())


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/cli.py", line 435, in install

selective_upgrade=selective_upgrade,


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/core.py", line 1971, in do_install

pypi_mirror=pypi_mirror,


 "/Users/pradyunsg/.pyenv/versions/3.7.0/lib/python3.7/site-packages/pipenv/core.py", line 1375, in pip_install

package_name.split('--hash')[0].split('--trusted-host')[0]


 "/Users/pradyunsg/.pyenv/versions/3.7.0/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
