code: def default(self):
          
  
          import ambry.bundle.default_files as df
          import os
  
          path = os.path.join(os.path.dirname(df.__file__), self.file_name)
  
          if six.PY2:
              with open(path, 'rb') as f:
                  return f.read()
          else:
              # py3
              with open(path, 'rt', encoding='utf-8') as f:
                  return f.read()
docs: Return default contents