diff --git a/ippisite/ippidb/tests/tests_contribute_e2e.py b/ippisite/ippidb/tests/tests_contribute_e2e.py
index fc5192d3d36f8d88c9673dfd0f2a5cf8d2c75c2e..f14b7da0360377da15a3bf2964e218fce153ac9b 100644
--- a/ippisite/ippidb/tests/tests_contribute_e2e.py
+++ b/ippisite/ippidb/tests/tests_contribute_e2e.py
@@ -141,7 +141,7 @@ class ContributionE2ETestCase(TestCase):
                 "Ppi name",
             ),
         ]
-        for activity_tests in entry_data.get("activity_tests",[]):
+        for activity_tests in entry_data.get("activity_tests", []):
             for compound_activity_results in activity_tests[
                 "compound_activity_results"
             ]: