Guardiola ditched it in September and City have played their best football since then.
"Hopefully, we can win the game, that would be massive".
"But you have ups and downs - what is important is that in the second half it was outstanding the way we played".
The incident came after Raheem Sterling's late victor sent the Etihad into pandemonium, setting them up for a record-equalling 13th consecutive Premier League victory against West Ham on Sunday.
After late victories against Huddersfield Town and Southampton, Silva scored with seven minutes on the clock for a City side who, in cantering to an eight-point lead, are showing all the hallmarks of champions-elect.
Guardiola took a full-strength squad to Kharkiv - barring the suspended Kevin De Bruyne and the slightly injured David Silva - so preparations for the derby can run as smoothly as possible, and before flying back to Manchester on Thursday the team will train together and be shown video analysis of their next opponents.
"Leroy [Sane] needed time to adapt a bit - to the way we play". That is a lot.
Pep Guardiola's side lead their city rivals by eight points ahead of the derby match at Old Trafford and if they win their 14th straight league match, they will move 11 points clear after just 16 matches of the season.
Fellow pundit Phil Neville also agreed that the 18-year-old stood out, with the former Manchester United star saying: "Today was a great learning experience for him". It's complicated for us, and they obviously hold the game, and try to take advantage from a set piece.
"We are playing well but it does not mean we will go on to win the competition ..."
"It was really good, really nice to be back in front of the City fans", he said. "We were much, much better". He got both hands to most things. But by the time of their most recent meeting, at the Etihad Stadium in April, thoughts of an all-Manchester title shootout had vanished.
"What a chance we had to make it 2-2 late on. The fans won't mind it, as long as he gets a result".