Prefer using attributes on documenter.props (followup)

Author: AA-Turner

sphinx/ext/autodoc/_documenters.py

@@ -850,7 +850,7 @@ def document_members(self, all_members: bool = False) -> None:
         member_documenters = self.sort_members(member_documenters, member_order)
 
         for documenter, isattr in member_documenters:
-            assert documenter.modname
+            assert documenter.props.module_name
             # We can directly call ._generate() since the documenters
             # already called parse_name() and import_object() before.
             #

tests/test_extensions/test_ext_autodoc.py

@@ -162,12 +162,11 @@ def formatsig(objtype, name, obj, args, retann):
         inst.doc_as_attr = False  # for class objtype
         inst.parent = object  # dummy
         inst.object = obj
-        inst.objpath = [name]
         inst.args = args
         inst.retann = retann
         inst.props = _ClassDefProperties(
             obj_type=objtype,
-            module_name=inst.modname,
+            module_name='',
             parts=(name,),
             docstring_lines=(),
             bases=getattr(obj, '__bases__', None),