New comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/37099#issuecomment-1126247483

Comment:
something like this works in my testing
```diff
--- a/common/build-style/python3-module.sh
+++ b/common/build-style/python3-module.sh
@@ -25,9 +25,14 @@ do_build() {
 
 do_check() {
        if python3 -c 'import pytest' >/dev/null 2>&1; then
+               if python3 -c 'import xdist' >/dev/null 2>&1; then
+                       makejobs="-n $XBPS_MAKEJOBS"
+               else
+                       makejobs=
+               fi
                PYTHONPATH="$(cd build/lib* && pwd)" \
                        ${make_check_pre} \
-                       python3 -m pytest ${make_check_args} ${make_check_target}
+                       python3 -m pytest ${makejobs} ${make_check_args} ${make_check_target}
        else
                # Fall back to deprecated setup.py test orchestration without pytest
                if [ -z "$make_check_target" ]; then
```