[Doppins] Upgrade dependency psycopg2 to ==2.7.3 (#858)
[Doppins] Upgrade dependency psycopg2 to ==2.7.3 (#858)

* Upgrade dependency psycopg2 to ==2.7.2

* Upgrade dependency psycopg2 to ==2.7.3

kevgliss/lemur,Netflix/lemur,Netflix/lemur,kevgliss/lemur,kevgliss/lemur,Netflix/lemur,Netflix/lemur