Launch Cygwin with Administrator priveledges, then change the permissions for the directories
chmod 775 /usr/lib chmod 775 /usr/bin
Install easy install using the following command:
wget https://bootstrap.pypa.io/ez_setup.py -O - | python
Use the following command to install
Oddly, I had to run this in a directory that wasn’t my home directory, but once I did, it worked fine.
Now you install whatever you want using pip, things like