new_contents: # Copyright 2016 Curtis Sand <curtissand@gmail.com>
  #
  # 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.
  """Copy Files Task."""
  
  from .core import Task
  
  
  class CopyFilesTask(Task):
      """Base Task object for Squadron.
  
      The config_key attribute is used to reference the tasks from the config
      file.
      The __init__ and __call__ methods should be implemented by the subclasses.
      """
  
      config_key = 'copy_files'
  
      def __init__(self, sources, destination, *args, **kwargs):
          super().__init__(*args, **kwargs)
          self.sources = sources
          self.destination = destination
  
      def __call__(self, *args, **kwargs):
          pass
  
subject: add skeleton of first task, copy_files