old_contents: #!/usr/bin/env python
  # Copyright 2017 Yelp Inc.
  #
  # 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.
  """
  Usage: ./get_mesos_leader.py
  
  Displays the hostname of the current mesos-master leader.
  """
  from __future__ import absolute_import
  from __future__ import unicode_literals
  
  from sys import exit
  
  from paasta_tools.mesos_tools import get_mesos_leader
  from paasta_tools.utils import paasta_print
  
  
  def main():
      paasta_print(get_mesos_leader())
  
  
  if __name__ == "__main__":
      main()
  
new_contents: #!/usr/bin/env python
  # Copyright 2017 Yelp Inc.
  #
  # 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.
  """
  Usage: ./get_mesos_leader.py
  
  Displays the hostname of the current mesos-master leader.
  """
  from __future__ import absolute_import
  from __future__ import unicode_literals
  
  from paasta_tools.mesos_tools import get_mesos_leader
  from paasta_tools.utils import paasta_print
  
  
  def main():
      paasta_print(get_mesos_leader())
  
  
  if __name__ == "__main__":
      exit(main())
  
subject: Fix flake8