diff --git a/tools/skp/page_sets/__init__.py b/tools/skp/page_sets/__init__.py
new file mode 100644
index 0000000..4a12e35
--- /dev/null
+++ b/tools/skp/page_sets/__init__.py
@@ -0,0 +1,3 @@
+# Copyright 2019 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.