Fixing a Python3 error that occasionally pops up in the msvc toolchain.
Fixing a Python3 error that occasionally pops up in the msvc toolchain.

brandonmbare/csbuild,3Jade/csbuild,3Jade/csbuild,3Jade/csbuild,ShadauxCat/csbuild,brandonmbare/csbuild,brandonmbare/csbuild,brandonmbare/csbuild,3Jade/csbuild,ShadauxCat/csbuild,3Jade/csbuild,ShadauxCat/csbuild,ShadauxCat/csbuild