Fix retry handlers

 * readlines() - invalid method for Exception,
  which brakes retry logic in code

Change-Id: I96ac4344cff6d5a0a1a351f983bed31f071bce0a
Prod-related: PROD-28636 (PROD:28636)
(cherry picked from commit 06b7493100f7a69a20de4f68fc60fffd2f28fedd)
1 file changed