Adding to reqs, handling connectino pessimistically

airflow/www/app.py

@@ -43,6 +43,7 @@ if AUTHENTICATE is False:
 
 dagbag = models.DagBag(conf.get('core', 'DAGS_FOLDER'))
 session = Session()
+settings.pessimistic_connection_handling()
 
 app = Flask(__name__)
 login_manager.init_app(app)

requirements.txt

@@ -4,6 +4,7 @@ flake8
 flask
 flask-admin
 flask-bootstrap
+flask-cache
 hive-thrift-py
 ipython[all]
 jinja2