Namespace packages _bootstrap.ModuleSpec.loader attributes are no longer None (#10376)
Namespace packages _bootstrap.ModuleSpec.loader attributes are no longer `None` _after_ calling the importlib._bootstrap._init_module_attrs function.
See:
* https://stackoverflow.com/questions/52869541/namespace-package-spec-loader-and-loader-attributes-not-set-to-none
* https://bugs.python.org/issue35181
diff --git a/Doc/reference/import.rst b/Doc/reference/import.rst
index 88290c8..0228bfb 100644
--- a/Doc/reference/import.rst
+++ b/Doc/reference/import.rst
@@ -345,12 +345,11 @@
_init_module_attrs(spec, module)
if spec.loader is None:
- if spec.submodule_search_locations is not None:
- # namespace package
- sys.modules[spec.name] = module
- else:
- # unsupported
- raise ImportError
+ # unsupported
+ raise ImportError
+ if spec.origin is None and spec.submodule_search_locations is not None:
+ # namespace package
+ sys.modules[spec.name] = module
elif not hasattr(spec.loader, 'exec_module'):
module = spec.loader.load_module(spec.name)
# Set __loader__ and __package__ if missing.