Work-in-progress: fixup: ignore type-hinting error.

sphinx/search/__init__.py

@@ -435,7 +435,7 @@ def _minify_tree_recursive(trie: IndexBuilder._TrieNode) -> IndexBuilder._TrieNo
                 if node_terms := subnode.get(cls._TRIE_CONTENTS, []):
                     offsets = [term_offsets[term] for term in node_terms]
                     # Replace single-valued contents with integers instead of list values.
-                    subnode[cls._TRIE_CONTENTS] = offsets[0] if len(offsets) == 1 else offsets
+                    subnode[cls._TRIE_CONTENTS] = offsets[0] if len(offsets) == 1 else offsets  # type: ignore[assignment]
 
                 # Replace single-leaf content nodes (dictionaries) with their (list) contents.
                 if len(subnode) == 1 and cls._TRIE_CONTENTS in subnode: