fix import

libtisbackup/backup_xva.py

@@ -18,20 +18,23 @@
 #
 # -----------------------------------------------------------------------
 
-import logging
-import re
-import os
 import datetime
-import urllib.request, urllib.parse, urllib.error
-import socket
-import tarfile
 import hashlib
-from stat import *
+import logging
+import os
+import re
+import socket
 import ssl
+import tarfile
+import urllib.error
+import urllib.parse
+import urllib.request
+from stat import *
+
 import requests
 
-from .common import *
 from . import XenAPI
+from .common import *
 
 if hasattr(ssl, '_create_unverified_context'):
     ssl._create_default_https_context = ssl._create_unverified_context