Merge branch 'master' into 'integration-master'

src/plugins/__init__.py

+#  Copyright 2020 Google LLC
+#  Copyright 2020 EPAM Systems
+#  Copyright 2020 Amazon
+#
+#  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.
+
+
 """isort:skip_file"""
 from airflow.plugins_manager import AirflowPlugin