Flask       == 1.0.2
Jinja2      == 2.11
PyYAML      == 5.3
SQLAlchemy  == 1.2.18
Werkzeug    == 1.0
appdirs     == 1.4.3
cletus      == 1.0.15
envoy       == 0.0.3
pytest      == 3.1.2
validictory == 1.1.2
jsonschema  == 3.2.0
