python/qemu: use isort to lay out imports

Borrowed from the QAPI cleanup series, use the same configuration to
standardize the way we write and sort imports.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20201006235817.3280413-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>

python/qemu/qmp.py

@@ -7,21 +7,21 @@
 # This work is licensed under the terms of the GNU GPL, version 2.  See
 # the COPYING file in the top-level directory.
 
-import json
 import errno
-import socket
+import json
 import logging
+import socket
+from types import TracebackType
 from typing import (
     Any,
-    cast,
     Dict,
     Optional,
     TextIO,
-    Type,
     Tuple,
+    Type,
     Union,
+    cast,
 )
-from types import TracebackType
 
 
 # QMPMessage is a QMP Message of any kind.