Message 267961 - Python tracker
importlib.machinery.FileFinder.find_spec is incompatible with importlib.abc.MetaPathFinder.find_spec (different number of arguments).
The following leads to a runtime error:
loader = (importlib.machinery.SourceFileLoader, importlib.machinery.SOURCE_SUFFIXES)
sys.meta_path.append(importlib.machinery.FileFinder('/', loader))