Unpin pip version
pip version restricted in coala: https://github.com/coala/coala/commit/03edf5f175689d76060037d118b5730e042ababf
Need to update the gitlab files for the same
pip version restricted in coala: https://github.com/coala/coala/commit/03edf5f175689d76060037d118b5730e042ababf
Need to update the gitlab files for the same