old_contents: #!/usr/bin/env python2.7
  # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You 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.
  
  import argparse
  import pkg_resources
  
  import jinja2
  
  from st2common.util.spec_loader import ARGUMENTS
  
  
  if __name__ == '__main__':
      spec_template = pkg_resources.resource_string('st2common', 'openapi.yaml.j2')
      spec_string = jinja2.Template(spec_template).render(**ARGUMENTS)
      print(spec_string)
  
new_contents: #!/usr/bin/env python2.7
  # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You 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.
  
  import pkg_resources
  
  import jinja2
  
  from st2common.util.spec_loader import ARGUMENTS
  
  
  if __name__ == '__main__':
      spec_template = pkg_resources.resource_string('st2common', 'openapi.yaml.j2')
      spec_string = jinja2.Template(spec_template).render(**ARGUMENTS)
      print(spec_string)
  
subject: Remove duplicate import