def fileEnd(self):
     """Closes the output file."""
     if self._sent.num_train > 0:
         sys.stderr.write("Written {0} sentences out of {1}, with avg length = {2} for file {3}.\n".format(
                 self._sent.num_train, self._sent.num_sentences,
                 float(self._sent.num_words) / self._sent.num_train,
                 self.cc_file))
     self._sent.clear_statistics()
     DefaultConllCallback.fileEnd(self)
     self._out.close()
     self._out = None
 def fileEnd(self):
     """Closes the output file."""
     DefaultConllCallback.fileEnd(self)
     self._out.close()
     self._out = None