diff --git a/tests/encrypt_secret.py b/tests/encrypt_secret.py
index b8524a0fd9..0b0cf19a1d 100644
--- a/tests/encrypt_secret.py
+++ b/tests/encrypt_secret.py
@@ -30,5 +30,6 @@ def main():
     ciphertext = encryption.encrypt_pkcs1_oaep(sys.argv[1], public_key)
     print(ciphertext.encode('base64'))
 
+
 if __name__ == '__main__':
     main()
diff --git a/tools/trigger-job.py b/tools/trigger-job.py
index 7123afce86..dd69f1b1fe 100755
--- a/tools/trigger-job.py
+++ b/tools/trigger-job.py
@@ -73,5 +73,6 @@ def main():
     while not job.complete:
         time.sleep(1)
 
+
 if __name__ == '__main__':
     main()
diff --git a/tools/update-storyboard.py b/tools/update-storyboard.py
index 12e6916b95..51434c9c11 100644
--- a/tools/update-storyboard.py
+++ b/tools/update-storyboard.py
@@ -96,5 +96,6 @@ def main():
         if ok_lanes and not task_found:
             add_task(sync, task, lanes[ok_lanes[0]])
 
+
 if __name__ == '__main__':
     main()
diff --git a/tox.ini b/tox.ini
index 6a50c6dd19..9b97eca62b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -51,6 +51,6 @@ commands = python setup.py test --slowest --testr-args='--concurrency=1 {posargs
 [flake8]
 # These are ignored intentionally in openstack-infra projects;
 # please don't submit patches that solely correct them or enable them.
-ignore = E305,E125,E129,E402,H,W503
+ignore = E125,E129,E402,H,W503
 show-source = True
 exclude = .venv,.tox,dist,doc,build,*.egg
diff --git a/zuul/driver/sql/alembic_reporter/env.py b/zuul/driver/sql/alembic_reporter/env.py
index 56a5b7e997..4542a22270 100644
--- a/zuul/driver/sql/alembic_reporter/env.py
+++ b/zuul/driver/sql/alembic_reporter/env.py
@@ -64,6 +64,7 @@ def run_migrations_online():
         with context.begin_transaction():
             context.run_migrations()
 
+
 if context.is_offline_mode():
     run_migrations_offline()
 else: