diff --git a/mmaction/models/localizers/drn/__init__.py b/mmaction/models/localizers/drn/__init__.py
new file mode 100644
index 0000000000..ef101fec61
--- /dev/null
+++ b/mmaction/models/localizers/drn/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.