Clean up Singularity support lint

Author: Muhtasham

codeclash/arenas/arena.py

@@ -13,7 +13,12 @@
 from codeclash.agents.player import Player
 from codeclash.constants import DIR_LOGS, DIR_WORK, GH_ORG, RESULT_TIE
 from codeclash.utils.aws import is_running_in_aws_batch, pull_game_container_aws_ecr
-from codeclash.utils.environment import ContainerEnvironment, assert_zero_exit_code, copy_between_containers, copy_from_container
+from codeclash.utils.environment import (
+    ContainerEnvironment,
+    assert_zero_exit_code,
+    copy_between_containers,
+    copy_from_container,
+)
 from codeclash.utils.log import get_logger