1 files changed, 1 insertions, 1 deletions

diff --git a/subcmds/sync.py b/subcmds/sync.py
index 13c419c3..54b5a7fc 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -744,7 +744,7 @@ later is required to fix a server side protocol bug.
     if not opt.quiet:
       print('Using manifest server %s' % manifest_server)
 
-    if not '@' in manifest_server:
+    if '@' not in manifest_server:
       username = None
       password = None
       if opt.manifest_server_username and opt.manifest_server_password: