A directory-qualified stem fallback could resolve an absolute import
(from werkzeug.wrappers import Request) onto a local wrappers.py, rewiring a
class to inherit from itself. Exclude the importing file's own stems; a
same-named module in another package still resolves by exact/suffix/bare stem.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
