He did? Do you have a link? I thought it was Sorcha Faal claiming it. And Faal posts from the Starbuck’s in Red Square.
http://www.breitbart.com/tech/2016/08/05/julian-assange-claims-russia-wasnt-involved-in-dnc-hack/
http://investmentwatchblog.com/assange-it-was-a-leaker-not-russian-hacker/