def is_plural_noun(token):
    if token.doc.is_tagged is False:
        raise ValueError('token is not POS-tagged')
    return True if token.pos == NOUN and token.lemma != token.lower else False
Returns True if token is a plural noun, False otherwise.
dataset/ETHPy150Open chartbeat-labs/textacy/textacy/spacy_utils.py/is_plural_noun