mqtt: client: fix imports ordering

Author: rnovatorov

enapter/mqtt/client.py

@@ -3,17 +3,16 @@
 import logging
 import ssl
 import tempfile
+from typing import AsyncGenerator, Optional
 
 import aiomqtt  # type: ignore
 
 import enapter
 
-LOGGER = logging.getLogger(__name__)
-
-from typing import AsyncGenerator, Optional
-
 from .config import Config
 
+LOGGER = logging.getLogger(__name__)
+
 
 class Client(enapter.async_.Routine):
     def __init__(self, config: Config) -> None: