"The period of collection was from July, 2015–May, 2019" and it seems unlikely that a one week bump due to Gell-Mann's recent death would be enough to change the balance.
I don't know how to get page view statistics from the Wikipedia API to double-check this.
There is no way the news of Gell-Mann's recent death could cause the balance to change that significantly. Over 8 million people would have needed to visit his page in a week, for a page which normally gets 9,000 views each month.
I don't know how to get page view statistics from the Wikipedia API to double-check this.