Packaging issue for 11.1.5?

pipenv 11.1.5 fails to install from PyPI when installed via pip install pipenv in a clean environment.

Describe your environment

1. CentOS 7
2. Python version: 2.7.5
3. Pipenv version: 9.0.1

Expected result

Expected pipenv==11.1.5 to install cleanly via pip install pipenv.

I verified that an earlier release does not have the same issue in this environment:

+ pip install pipenv==11.1.3
Collecting pipenv==11.1.3
  Downloading pipenv-11.1.3.tar.gz (4.1MB)
Collecting virtualenv (from pipenv==11.1.3)
  Downloading virtualenv-15.1.0-py2.py3-none-any.whl (1.8MB)
Collecting pew>=0.1.26 (from pipenv==11.1.3)
  Downloading pew-1.1.2-py2.py3-none-any.whl
Collecting pathlib; python_version == "2.7" (from pew>=0.1.26->pipenv==11.1.3)
  Downloading pathlib-1.0.1.tar.gz (49kB)
Collecting shutilwhich; python_version == "2.7" (from pew>=0.1.26->pipenv==11.1.3)
  Downloading shutilwhich-1.1.0.tar.gz
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from pew>=0.1.26->pipenv==11.1.3)
  Downloading backports.shutil_get_terminal_size-1.0.0-py2.py3-none-any.whl
Collecting setuptools>=17.1 (from pew>=0.1.26->pipenv==11.1.3)
  Downloading setuptools-38.5.2-py2.py3-none-any.whl (490kB)
Collecting virtualenv-clone>=0.2.5 (from pew>=0.1.26->pipenv==11.1.3)
  Downloading virtualenv_clone-0.3.0-py2.py3-none-any.whl
Installing collected packages: virtualenv, pathlib, shutilwhich, backports.shutil-get-terminal-size, setuptools, virtualenv-clone, pew, pipenv
  Running setup.py install for pathlib: started
    Running setup.py install for pathlib: finished with status 'done'
  Running setup.py install for shutilwhich: started
    Running setup.py install for shutilwhich: finished with status 'done'
  Found existing installation: setuptools 0.9.8
    Uninstalling setuptools-0.9.8:
      Successfully uninstalled setuptools-0.9.8
  Running setup.py install for pipenv: started
    Running setup.py install for pipenv: finished with status 'done'
Successfully installed backports.shutil-get-terminal-size-1.0.0 pathlib-1.0.1 pew-1.1.2 pipenv-11.1.3 setuptools-38.5.2 shutilwhich-1.1.0 virtualenv-15.1.0 virtualenv-clone-0.3.0

Actual result

+ pip install pipenv
Collecting pipenv
  Downloading pipenv-11.1.5.tar.gz (4.1MB)
    Complete output from command python setup.py egg_info:
    error in pipenv setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-wVoDUX/pipenv/

Steps to replicate

pip install pipenv

[kennethreitz]

sorry for the hiccups!

[techalchemy]

excellent, thanks for being responsive to our unexpected breakages!