Fix encoding issue: Ensure non-ASCII characters are correctly represe… (#1446)

Fix encoding issue: Ensure non-ASCII characters are correctly represented in entity name key

Co-authored-by: Alonso Guevara <[email protected]>

Author: nauyiahc

graphrag/index/graph/extractors/summarize/description_summary_extractor.py

@@ -129,7 +129,7 @@ async def _summarize_descriptions_with_llm(
             self._summarization_prompt,
             name="summarize",
             variables={
-                self._entity_name_key: json.dumps(items),
+                self._entity_name_key: json.dumps(items, ensure_ascii=False),
                 self._input_descriptions_key: json.dumps(
                     sorted(descriptions), ensure_ascii=False
                 ),