old_contents: import global_vars
  
  
  class PolygonFile:
      def __init__(self):
          self.name = None
          self.type = None
          self.date = None
          self.size = None
          self.remove_link = None
          self.download_link = None
          self.edit_link = None
  
      def __repr__(self):
          return str(self.__dict__)
  
      def by_dict(self, data):
          for key in data.keys():
              if key != '__type':
                  setattr(self, key, data[key])
  
      def normalize(self, session):
          """
  
          :type session: problem.ProblemSession
          """
          assert self.remove_link
          assert self.download_link
          assert self.edit_link
          self.remove_link = session.make_link(self.remove_link, ssid=True)
          self.download_link = session.make_link(self.download_link, ssid=True)
          self.edit_link = session.make_link(self.edit_link, ssid=True)
  
      def get_content(self):
          """
  
          :rtype: str
          """
          file_text = global_vars.problem.send_request('GET', self.download_link).text
          return file_text.replace(' \r\n', '\r\n')
  
      def get_default_local_dir(self):
          if self.type == 'solution':
              return 'solutions'
          if self.type == 'source':
              return 'src'
          raise NotImplementedError("loading files of type %s" % self.type)
  
new_contents: import global_vars
  
  
  class PolygonFile:
      def __init__(self):
          self.name = None
          self.type = None
          self.date = None
          self.size = None
          self.remove_link = None
          self.download_link = None
          self.edit_link = None
  
      def __repr__(self):
          return str(self.__dict__)
  
      def by_dict(self, data):
          for key in data.keys():
              if key != '__type':
                  setattr(self, key, data[key])
  
      def normalize(self, session):
          """
  
          :type session: problem.ProblemSession
          """
          assert self.remove_link
          assert self.download_link
          assert self.edit_link
          self.remove_link = session.make_link(self.remove_link, ssid=True)
          self.download_link = session.make_link(self.download_link, ssid=True)
          self.edit_link = session.make_link(self.edit_link, ssid=True)
  
      def get_content(self):
          """
  
          :rtype: str
          """
          file_text = global_vars.problem.send_request('GET', self.download_link).text
          return file_text
  
      def get_default_local_dir(self):
          if self.type == 'solution':
              return 'solutions'
          if self.type == 'source':
              return 'src'
          raise NotImplementedError("loading files of type %s" % self.type)
  
subject: remove space at the end of line workaround