work

build.sh

@@ -32,8 +32,7 @@ function pip_install_via_setup_py() {
 }
 
 function build_wheel() {
-  pip install -q build
-  python -m build --wheel
+  #python -m build --wheel
   pip check
 }
 

pyproject.toml

@@ -34,5 +34,8 @@ requires = [
 	"virtualenv-clone==0.5.4",
 	"virtualenv==20.4.2",
 	"wheel==0.36.2",
+	"build>0.3.0",
+	"setuptools>=54.1.1",
+	"pip>=20.0.1"
 ]
 build-backend = "setuptools.build_meta"