python: Sort imports in management commands.

zerver/management/commands/runtornado.py

@@ -1,28 +1,29 @@
 
+import logging
+import sys
+from typing import Any, Callable
+
 from django.conf import settings
-settings.RUNNING_INSIDE_TORNADO = True
-# We must call zerver.tornado.ioloop_logging.instrument_tornado_ioloop
-# before we import anything else from our project in order for our
-# Tornado load logging to work; otherwise we might accidentally import
-# zerver.lib.queue (which will instantiate the Tornado ioloop) before
-# this.
-from zerver.tornado.ioloop_logging import instrument_tornado_ioloop
-instrument_tornado_ioloop()
-
-from django.core.management.base import BaseCommand, CommandError, CommandParser
+from django.core.management.base import BaseCommand, \
+    CommandError, CommandParser
 from tornado import ioloop
 from tornado.log import app_log
-from typing import Callable, Any
 
 from zerver.lib.debug import interactive_debug_listen
 from zerver.tornado.application import create_tornado_application, \
     setup_tornado_rabbitmq
 from zerver.tornado.event_queue import add_client_gc_hook, \
     missedmessage_hook, process_notification, setup_event_queue
+# We must call zerver.tornado.ioloop_logging.instrument_tornado_ioloop
+# before we import anything else from our project in order for our
+# Tornado load logging to work; otherwise we might accidentally import
+# zerver.lib.queue (which will instantiate the Tornado ioloop) before
+# this.
+from zerver.tornado.ioloop_logging import instrument_tornado_ioloop
 from zerver.tornado.socket import respond_send_message
 
-import logging
-import sys
+settings.RUNNING_INSIDE_TORNADO = True
+instrument_tornado_ioloop()
 
 if settings.USING_RABBITMQ:
     from zerver.lib.queue import get_queue_client