The issue with pip on macOS

[axelonet]

I was trying to install lyvi on my Mac to run it with cmus... I have installed the dependencies pygobject and dbus using homebrew... now when I try to run this command,
sudo -H pip install -r pip_requirements.txt
I get the following error

Collecting Pillow (from -r pip_requirements.txt (line 4))
  Using cached Pillow-4.3.0-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
Collecting plyr (from -r pip_requirements.txt (line 5))
  Using cached plyr-1.0.2.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/tmp/pip-build-_RLh7T/plyr/setup.py", line 3, in <module>
        from Cython.Distutils import build_ext
    ImportError: No module named Cython.Distutils
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/tmp/pip-build-_RLh7T/plyr/