diff --git a/channels/auth.py b/channels/auth.py
index a8c8a05..0565446 100644
--- a/channels/auth.py
+++ b/channels/auth.py
@@ -10,7 +10,9 @@ def transfer_user(from_session, to_session):
     """
     Transfers user from HTTP session to channel session.
     """
-    if auth.BACKEND_SESSION_KEY in from_session and auth.SESSION_KEY in from_session and auth.HASH_SESSION_KEY in from_session:
+    if auth.BACKEND_SESSION_KEY in from_session and \
+       auth.SESSION_KEY in from_session and \
+       auth.HASH_SESSION_KEY in from_session:
         to_session[auth.BACKEND_SESSION_KEY] = from_session[auth.BACKEND_SESSION_KEY]
         to_session[auth.SESSION_KEY] = from_session[auth.SESSION_KEY]
         to_session[auth.HASH_SESSION_KEY] = from_session[auth.HASH_SESSION_KEY]