Fix: support cross language for API. (#8946)

### What problem does this PR solve?

Close #8943

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

graphrag/general/extractor.py

@@ -250,5 +250,5 @@ class Extractor:
         use_prompt = prompt_template.format(**context_base)
         logging.info(f"Trigger summary: {entity_or_relation_name}")
         async with chat_limiter:
-            summary = await trio.to_thread.run_sync(lambda: self._chat(use_prompt, [{"role": "user", "content": "Output: "}], {"temperature": 0.8}))
+            summary = await trio.to_thread.run_sync(lambda: self._chat(use_prompt, [{"role": "user", "content": "Output: "}]))
         return summary

graphrag/general/graph_extractor.py

@@ -128,7 +128,7 @@ class GraphExtractor(Extractor):
             history.append({"role": "assistant", "content": response})
             history.append({"role": "user", "content": LOOP_PROMPT})
             async with chat_limiter:
-                continuation = await trio.to_thread.run_sync(lambda: self._chat("", history, {"temperature": 0.8}))
+                continuation = await trio.to_thread.run_sync(lambda: self._chat("", history))
             token_count += num_tokens_from_string("\n".join([m["content"] for m in history]) + response)
             if continuation != "Y":
                 break

graphrag/light/graph_extractor.py

@@ -86,7 +86,7 @@ class GraphExtractor(Extractor):
             **self._context_base, input_text="{input_text}"
         ).format(**self._context_base, input_text=content)
 
-        gen_conf = {"temperature": 0.8}
+        gen_conf = {}
         async with chat_limiter:
             final_result = await trio.to_thread.run_sync(lambda: self._chat(hint_prompt, [{"role": "user", "content": "Output:"}], gen_conf))
         token_count += num_tokens_from_string(hint_prompt + final_result)