Pass --isolated to pip wheel invocation (#389)
Pass --isolated to pip wheel invocation (#389)

This fixes the same issue as
https://github.com/bazelbuild/rules_python/pull/232 but in another
place.

Co-authored-by: Jonathon Belotti <02422f453b7c0c991aec65bb934af98a92eab488@canva.com>
bazelbuild/rules_python,bazelbuild/rules_python,bazelbuild/rules_python