code: def _seek(self, stream):
      stream.seek(self.position)
  
imports: import functools
  from nltk.corpus.reader.api import CorpusReader
  from nltk.corpus.reader.util import StreamBackedCorpusView, concat
label_desc: Use image node_id 4 for calling the IPIPANCorpusView obj's underlying member method code with example usage: obj._seek(stream) without return types