Merge pull request #899 from lundha/doc-string/update-values-accordin…

…g-to-code

Update docstring to reflect default values for `temperature` and `max_tokens` in `create_chat_completion`

gpt_researcher/utils/llm.py

@@ -34,8 +34,8 @@ async def create_chat_completion(
     Args:
         messages (list[dict[str, str]]): The messages to send to the chat completion
         model (str, optional): The model to use. Defaults to None.
-        temperature (float, optional): The temperature to use. Defaults to 0.9.
-        max_tokens (int, optional): The max tokens to use. Defaults to None.
+        temperature (float, optional): The temperature to use. Defaults to 0.4.
+        max_tokens (int, optional): The max tokens to use. Defaults to 4000.
         stream (bool, optional): Whether to stream the response. Defaults to False.
         llm_provider (str, optional): The LLM Provider to use.
         webocket (WebSocket): The websocket used in the currect request,