Babel>=1.3 Flask-Babel>=0.11.1 Flask-Login>=0.3.2 Flask-Principal>=0.3.2 singledispatch>=3.4.0.0 backports_abc>=0.4 Flask>=0.11 iso-639>=0.4.5 PyPDF2==1.26.0 pytz>=2016.10 requests>=2.11.1 SQLAlchemy>=1.1.0,<1.3.0 tornado>=4.1 Wand>=0.4.4 unidecode>=0.04.19