[joeysteele]

It will depend on how much Rutherglen and Hamilton West voters like Humza Yousaf.

However this WILL be a big test more for Labour if a by-election becomes necessary.
As to what progress Labour may be or may not be making in Scotland.

It's a comparatively new seat over the years which Labour has lost to the SNP twice.
So both an interesting and strong test for Labour definitely north of the border.