ImportError: Tornado requires an up-to-date SSL module. This means Python 2.7.9+ or 3.4+ (although some distributions have backported the necessary changes to older versions).pip install tornado==4.*
Cannot uninstall 'tornado'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
pip install tornado==4.* --ignored installed tornado