1. Install git-pylint-commit-hook
   pip install git-pylint-commit-hook
2. Add git pylint to a git repo as a hook
   cd my_git_repo/.git/hooks
   echo '#!/bin/sh
   git-pylint-commit-hook
   ' > pre-commit
3. Make the script runnable
   chmod 755 my_git_repo/.git/hooks
4. Test committing a python script
    git commit -m 'Update my_file.py format to comply with PEP8'
    // Running pylint on my_file.py (file 1/1)..     9.8/10.00       PASSED
    // [master 3296b3d] Update my_file.py format to comply with PEP8
    // file changed, 15 insertions(+), 4 deletions(-)