Fix format

Author: mkleen

tests/bwc/test_recovery.py

@@ -564,7 +564,6 @@ def _assert_translog_is_empty(self, conn, schema, table_name):
             self.assertEqual(r[0], 0)
             self.assertEqual(r[1], 0)
 
-
     def _test_retention_leases_established_when_promoting_primary(self, path, nodes):
         number_of_replicas = random.randint(1, 2)
         cluster = self._new_cluster(path.from_version, nodes)