It was. Found an episode online.

Also found an article from when it was on air. It points out certain differences that the writer being white and scottish, living in glasgow most likely won't have been exposed to.

"The show just gets it wrong. For example, in the average black household a teenage daughter would never snog her gangsta boyfriend at the dinner table in front of her mum, dad and grandparents. And black children do not regularly swear at their parents.

"These mistakes and others look likely to crop up throughout the series.

"In a later episode, the leader of the local black church is referred to as a vicar instead of the more usual term, pastor. Small errors, maybe, but the best sitcoms work because they are grounded in reality."