Steve Kerr attended the Golden State Warriors' practice on Tuesday and appeared to act more like himself, but the team still doesn't know when or if he'll return this season.

Luke Walton was asked if it was a certainty Kerr would return from his leave of absence at some point this season.

"I don't know. We don't know when his return is. How can I say it's certain he's going to return this season? Nothing's a certainty, I don't think," said Walton. "We obviously expect and hope that he is back this season for sure."

Kerr had expressed before the season opener that he was "very confident" that he would be back this season. 

"He looks better," Walton said. "He does. He's acting more like himself and joking more like himself. But as far as what that means for his return, we still have no idea. It is nice to see more of his old self."