Upgrade flask to 0.12.4 Fixes "Blueprint object has no attribute json_encoder" error
Upgrade flask to 0.12.4
Fixes "Blueprint object has no attribute json_encoder" error

tessera-metrics/tessera,tessera-metrics/tessera,tessera-metrics/tessera,urbanairship/tessera,tessera-metrics/tessera,aalpern/tessera,aalpern/tessera,urbanairship/tessera,urbanairship/tessera,urbanairship/tessera,aalpern/tessera,tessera-metrics/tessera,aalpern/tessera,aalpern/tessera,urbanairship/tessera