def lemmatize(cleaned_article):
    nlp = spacy.load('en', disable=['parser', 'ner'])
    doc = nlp(article_str)
    lemma_article = ' '.join([(token.lemma_ if (token.lemma_ not in ['-PRON-']) else '') for token in doc])
    cleaned_lemma = clean_article(lemma_article)
    return cleaned_lemma
def lemmatize(cleaned_article):
    nlp = spacy.load('en', disable=['parser', 'ner'])
    doc = nlp(article_str)
    lemma_article = ' '.join([(token.lemma_ if (token.lemma_ not in ['-PRON-']) else ) for token in doc])
    cleaned_lemma = clean_article(lemma_article)
    return cleaned_lemma