``` /Users/bestony/Code/cli/grank/grank/script/social.py:46: RuntimeWarning: invalid value encountered in long_scalars social_df["score"] = social_df.apply(lambda row: row.community_member / row.all_member , axis=1) ``` https://github.com/LCTT/Grank/blob/7b00abb67f1c0dde18ddb3ac8da2046f722e3444/grank/script/social.py#L46