Added per-file licenses
diff --git a/tests/test_load_save_keys.py b/tests/test_load_save_keys.py
index fc1a1aa..0d132b9 100644
--- a/tests/test_load_save_keys.py
+++ b/tests/test_load_save_keys.py
@@ -1,3 +1,18 @@
+#
+# Copyright 2011 Sybren A. Stüvel <[email protected]>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
'''Unittest for saving and loading keys.'''
import base64
