Distinguish the names of two mutually-shadowing variables whose types have diverged (#14)

Author: jayaddison

sphinxcontrib/devhelp/__init__.py

@@ -118,8 +118,8 @@ def write_index(title: str, refs: list[Any], subitems: Any) -> None:
                     write_index("%s %s" % (parent_title, subitem[0]),
                                 subitem[1], [])
 
-        for (key, group) in index:
-            for title, (refs, subitems, key) in group:
+        for (_group_key, group) in index:
+            for title, (refs, subitems, _category_key) in group:
                 write_index(title, refs, subitems)
 
         # Dump the XML file