PYTHON-903 - Can't use "as" in PyMongo 2.x.

Author: behackett

pymongo/mongo_replica_set_client.py

@@ -356,7 +356,7 @@ def monitor(self):
  self.rsc.refresh()
  finally:
  self.refreshed.set()
- except (AutoReconnect, OperationFailure) as exc:
+ except (AutoReconnect, OperationFailure), exc:
  # Set is unreachable, or we experienced a transient auth
  # failure while a secondary is replicating credentials.
  pass