diff --git a/test_utils/fake_user_id_by_emails.py b/test_utils/fake_user_id_by_emails.py
index 18ce547da7..aa2f89eecf 100644
--- a/test_utils/fake_user_id_by_emails.py
+++ b/test_utils/fake_user_id_by_emails.py
@@ -15,4 +15,4 @@ def generate_emails_and_ids(num_emails):
         string.digits, k=8)) + '@gmail.com': math.floor(random.random() * 1000)
         for _ in range(num_emails)
     }
-    return emails_and_ids
\ No newline at end of file
+    return emails_and_ids