def _find_one_after_last_labeled_index(self):
        body_index = 0
        while self.bodies[body_index].segment_id in self.state.body_labels:
            body_index += 1
        return body_index
def test_impl(df):
            B = df.A.str.split(',')
            df2 = pd.DataFrame({'B': B})
            return df2[df2.B.str.len() > 1]