Traceback (most recent call last):


 "tst.py", line 2, in <module>

Union[123]


 "/media/ryan/stuff/anaconda/lib/python3.6/typing.py", line 626, in inner

return func(*args, **kwds)


 "/media/ryan/stuff/anaconda/lib/python3.6/typing.py", line 744, in __getitem__

parameters = tuple(_type_check(p, msg) for p in parameters)


 "/media/ryan/stuff/anaconda/lib/python3.6/typing.py", line 744, in <genexpr>

parameters = tuple(_type_check(p, msg) for p in parameters)


 "/media/ryan/stuff/anaconda/lib/python3.6/typing.py", line 356, in _type_check

raise TypeError(msg + " Got %.100r." % (arg,))
TypeError: Union[arg, ...]: each arg must be a type. Got 123.

Traceback (most recent call last):


 "/usr/local/bin/pipenv", line 11, in <module>

sys.exit(cli())


 "/usr/local/lib/python2.7/site-packages/pipenv/vendor/click/core.py", line 722, in __call__

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


 "/usr/local/lib/python2.7/site-packages/pipenv/vendor/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/usr/local/lib/python2.7/site-packages/pipenv/vendor/click/core.py", line 1066, in invoke

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


 "/usr/local/lib/python2.7/site-packages/pipenv/vendor/click/core.py", line 895, in invoke

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


 "/usr/local/lib/python2.7/site-packages/pipenv/vendor/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/usr/local/lib/python2.7/site-packages/pipenv/cli.py", line 197, in install

selective_upgrade=selective_upgrade


 "/usr/local/lib/python2.7/site-packages/pipenv/core.py", line 1731, in do_install

ensure_project(three=three, python=python, system=system, warn=True, deploy=deploy, skip_requirements=skip_requirements)


 "/usr/local/lib/python2.7/site-packages/pipenv/core.py", line 652, in ensure_project

ensure_pipfile(validate=validate, skip_requirements=skip_requirements)


 "/usr/local/lib/python2.7/site-packages/pipenv/core.py", line 342, in ensure_pipfile

project.create_pipfile(python=python)


 "/usr/local/lib/python2.7/site-packages/pipenv/project.py", line 439, in create_pipfile

data[u'requires'] = {'python_version': python_version(self.which('python'))[:len('2.7')]}
TypeError: 'NoneType' object has no attribute '__getitem__'
