[gdcvault] Formatting / Remove unused variables

youtube_dl/extractor/gdcvault.py

@@ -1,7 +1,6 @@
 from __future__ import unicode_literals
 
 import re
-import xml.etree.ElementTree
 
 from .common import InfoExtractor
 from ..utils import (
@@ -91,9 +90,9 @@ class GDCVaultIE(InfoExtractor):
 
         request = compat_urllib_request.Request(login_url, compat_urllib_parse.urlencode(login_form))
         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
-        login_content = self._download_webpage(request, video_id, 'Logging in')
+        self._download_webpage(request, video_id, 'Logging in')
         start_page = self._download_webpage(webpage_url, video_id, 'Getting authenticated video page')
-        logout_content = self._download_webpage(logout_url, video_id, 'Logging out')
+        self._download_webpage(logout_url, video_id, 'Logging out')
 
         return start_page