When use distutils.core. You can see it:
/usr/lib64/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'install_requires'
In fact, you want to install dependencies are not installed. need to be using setuptools instead of distutils.
To see this url get more: Differences between distribute, distutils, setuptools and distutils2?
Using setuptools instead of distutils.