diff --git a/packages/flamenco/flamenco/managers/api.py b/packages/flamenco/flamenco/managers/api.py
index 6a204dfd087703b4a41844f2ba971e3695a9cbc2..03fb15497a05805e6e52961ba8cf9eb333774965 100644
--- a/packages/flamenco/flamenco/managers/api.py
+++ b/packages/flamenco/flamenco/managers/api.py
@@ -271,8 +271,7 @@ def get_depsgraph(manager_id, request_json):
         cursor = tasks_coll.find(task_query)
         depsgraph = list(cursor)
 
-    is_empty = len(depsgraph) == 0
-    if is_empty:
+    if len(depsgraph) == 0:
         log.debug('Returning empty depsgraph')
         if modified_since is not None:
             return '', 304  # Not Modified