DEPRECATION: Python 2.6 is no longer supported by the Python core team, please upgrade your Python. A future version of pip will drop support for Python 2.6
Requirement already up-to-date: pip in /usr/lib/python2.6/site-packages
You are using pip version 9.0.3, however version 19.3.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.