new_contents: # -*- coding: utf-8 -*-
  
  """
  Copyright [2009-2017] EMBL-European Bioinformatics Institute
  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.
  """
  
  import luigi
  
  from tasks.ena import Ena
  from tasks.ensembl.ensembl import Ensembl
  from tasks.pdb import Pdb
  from tasks.rfam import RfamSequences
  from tasks.rfam import RfamFamilies
  
  
  class ProcessData(luigi.WrapperTask):  # pylint: disable=R0904
      """
      This will generate the CSV's to import for all the databases we update each
      release.
      """
  
      def requires(self):
          yield Ena()
          yield Ensembl()
          yield RfamSequences()
          yield RfamFamilies()
          yield Pdb()
  
subject: Add a ProcessData task