Fix CI (#179)

Author: fmassa

tests/test_aot_eager.py

@@ -1,3 +1,8 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
+#
+# This source code is licensed under the BSD license found in the
+# LICENSE file in the root directory of this source tree.
+
 import pytest
 import torch
 from torch.utils._debug_mode import DebugMode