slack-bridge: Order imports properly.
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
-import sys
-import os
import argparse
-import traceback
+import os
+import sys
import threading
-import zulip
+import traceback
+from typing import Any, Callable, Dict
+
import slack_sdk
+import zulip
from slack_sdk.rtm import RTMClient
-from typing import Any, Dict, Callable
import bridge_with_slack_config
