diff --git a/cl/api/utils.py b/cl/api/utils.py
index 799d607260..6a132fc297 100644
--- a/cl/api/utils.py
+++ b/cl/api/utils.py
@@ -737,7 +737,9 @@ def invert_user_logs(
     dates = make_date_str_list(start, end)
     for d in dates:
         for version in ["v3", "v4"]:
-            pipe.zrange(f"api:{version}.user.d:{d}.counts", 0, -1, withscores=True)
+            pipe.zrange(
+                f"api:{version}.user.d:{d}.counts", 0, -1, withscores=True
+            )
     results = pipe.execute()
 
     # results is a list of results for each of the zrange queries above. Zip