debug

Author: mayeut

cibuildwheel/util.py

@@ -130,7 +130,11 @@ def call(
     # workaround platform behaviour differences outlined
     # in https://github.com/python/cpython/issues/52803
     path = env.get("PATH", None) if env is not None else None
-    args_[0] = shutil.which(args_[0], path=path) or args_[0]
+    executable = shutil.which(args_[0], path=path)
+    if executable is None:
+        msg = f"Couldn't find {args_[0]!r} in PATH {path!r}"
+        raise LookupError(msg)
+    args_[0] = executable
     try:
         result = subprocess.run(
             args_,