old_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 databases.pdb import utils
  from databases.pdb.parsers import as_entries
  
  from tasks.config import output
  from tasks.utils.entry_writers import Output
  
  
  class Pdb(luigi.Task):
      """
      Fetch all RNA containing PDB's and produce CSV files about the sequences to
      import.
      """
  
      def output(self):
          return Output.build(output().base, 'pdb', 'all')
  
      def run(self):
          ids = utils.rna_containing_pdb_ids()
          with self.output().writer() as writer:
              for entry in as_entries(ids):
                  if entry.is_valid():
                      writer.write(entry)
  
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 databases.pdb import helpers as utils
  from databases.pdb.parsers import as_entries
  
  from tasks.config import output
  from tasks.utils.entry_writers import Output
  
  
  class Pdb(luigi.Task):
      """
      Fetch all RNA containing PDB's and produce CSV files about the sequences to
      import.
      """
  
      def output(self):
          return Output.build(output().base, 'pdb', 'all')
  
      def run(self):
          ids = utils.rna_containing_pdb_ids()
          with self.output().writer() as writer:
              for entry in as_entries(ids):
                  if entry.is_valid():
                      writer.write(entry)
  
subject: Correct import name