old_contents: # Copyright 2014 Rackspace
  # All Rights Reserved.
  #
  #    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.
  
new_contents: # Copyright 2014 Rackspace
  # All Rights Reserved.
  #
  #    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 evproc.decorator import want, requires, required_by
  from evproc.event import Event
  from evproc.exc import EventException
  from evproc.exc import ProcessorReregisterException
  from evproc.exc import IncompatibleRequirementsException
  from evproc.processor import Processor
  
  
  __all__ = [
      'want', 'requires', 'required_by',
      'Event',
      'EventException', 'ProcessorReregisterException',
      'IncompatibleRequirementsException',
      'Processor',
  ]
  
subject: Simplify use