Never

You will not. It's not for simply Rukia or Yoruichi that you feel contempt towards him. Somehow, you know he knew of Aizen--he knows everything, after all. You know he knew what would happen and let it happen anyway. It's almost as if he's a traitor himself.

Besides, he ripped apart your confidence in yourself and the laws you believed in. He made you question your loyalty to your parents and to Hisana. It's his fault that the Hogyouku was ever created so you cannot let it go so easily. You have no plans on letting him speak venomous words drowned in honey. No matter what it is you've come here for, you have no desire to...

... or do you? Urahara does want your forgiveness, not that you're going to give him such an easy way out, but perhaps there's another arrangement. The mischievous boy that supposedly died the day that Shihouin disappeared has suddenly rattled the bars of his cage. You may very well have something to soothe your anger...