Continue Flask migration.

thermostat.py

@@ -118,6 +118,7 @@ def get_metric(metric, current_time, interval):
   return None
 
 def get_forced_mode():
+  with app.app_context():
     row = db.session.query(Set_mode.value, Set_mode.timestamp).first()
   #cur.execute("SELECT value, timestamp FROM set_mode WHERE name='mode'")
   #row = cur.fetchone()
@@ -205,6 +206,7 @@ while True:
 #    break
 
   if new_forced_mode is not None:
+    with app.app_context():
       data = Set_mode({"value": new_forced_mode})
       db.session.add(data)
       db.session.commit()