It doesn't represent the risk to gerrymandering at all. There are no error bars in voting patterns based on 4 year old data.
Part of the reason this next cycle is looking so bad for Republicans is _because_ of the gerrymandering they tried backfiring on them because they cut the lines too close to try and gain more seats.
Part of the reason this next cycle is looking so bad for Republicans is _because_ of the gerrymandering they tried backfiring on them because they cut the lines too close to try and gain more seats.