1 files changed, 15 insertions, 1 deletions
diff --git a/synapse/crypto/context_factory.py b/synapse/crypto/context_factory.py
index 45958abbf5..344f2dd218 100644
--- a/synapse/crypto/context_factory.py
+++ b/synapse/crypto/context_factory.py
@@ -1,4 +1,18 @@
-from twisted.internet import reactor, ssl
+# Copyright 2014 matrix.org
+#
+# 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.
+
+from twisted.internet import ssl
 from OpenSSL import SSL
 from twisted.internet._sslverify import _OpenSSLECCurve, _defaultCurveName