def __call__(self, tokens_batch, **kwargs):
lemma_batch = []<EOL>for utterance in tokens_batch:<EOL><INDENT>lemma_utterance = []<EOL>for token in utterance:<EOL><INDENT>p = self.lemmatizer.parse(token)[<NUM_LIT:0>]<EOL>lemma_utterance.append(p.normal_form)<EOL><DEDENT>lemma_batch.append(lemma_utterance)<EOL><DEDENT>return lemma_batch<EOL>
Takes batch of tokens and returns the lemmatized tokens.