only delete the attribute if it exists

2022-10-20 13:54:09 -06:00
parent 2ad94bc76a
commit 2b5be8c52a
1 changed files with 1 additions and 1 deletions
--- a/lib/spack/spack/repo.py
+++ b/lib/spack/spack/repo.py
@@ -1378,7 +1378,7 @@ def get_pkg_class(self, pkg_name):
            setattr(cls, key, val)
        if new_overidden_attrs:
            setattr(cls, "overidden_attrs", dict(new_overidden_attrs))
-        else:
+        elif hasattr(cls, "overidden_attrs"):
            delattr(cls, "overidden_attrs")

        return cls