Of course he didn’t celebrate because he knew that he made a code violation, then instead of apologizing he tried to intimidate the woman lines judge, then made a whole big scene when his opponent was facing breakpoint and then he immediately faked a long injury timeout when there was no sign of injury just to break his opponents rhythm. And when he finally was able to squeeze the win despite his “injury” he is now faced with the dilemma of facing Djokovic and will probably not show up. So of course he would not celebrate he should actually be embarrassed.