code: def readline(self, size=-1):
          "Ignore the `size` since a complete line must be processed."
          try:
              record = next(self.reader)
              return self.outdel.join(self.process_line(record)) + '\n'
          except StopIteration:
              return 'f readline(self, size=-1):
          "Ignore the `size` since a complete line must be processed."
          try:
              record = next(self.reader)
              return self.outdel.join(self.process_line(record)) + '\n'
          except StopIteration:
              return ''
docs: Ignore the `size` since a complete line must be processed.