Based on the news, Haland will be able to compete again for the end of this month. Haaland has been doing a little training at the moment. In addition, defender John Stones is currently suffering from an ankle injury. De Bruyne's return also seems to give new confidence. Pep should start giving him more minutes. De Bruyne performed quite well, he also provided an assist. 

Source: https://www.espn.com/soccer/story/_/id/39295634/erling-haaland-likely-injured-end-january-guardiola