Flask==0.10.1
pytest==2.7.2
pytest-flask==0.8.1
webargs==1.2.0
requests==2.7.0
gitpython==2.0.8
flask-socketio==2.6.2
eventlet==0.19.0
toolz==0.8.0

tornado==4.4.1
pytest==2.7.2
webargs==1.2.0
requests==2.7.0
gitpython==2.0.8
toolz==0.8.0

Install tornado and remove flask.
Install tornado and remove flask.
