Update main.py

main.py

@@ -8,7 +8,7 @@ from fastapi import FastAPI, HTTPException, Request
 app = FastAPI()
 
 # ---------------- GPT 3.5 TURBO NORMAL ----------------------------------------------------------------------------
-_providers = [g4f.Provider.MetaAI]
+_providers = [g4f.Provider.Chatgpt4Online]
 chat_history = {}
 
 default_characteristic = {
@@ -21,7 +21,7 @@ async def run_provider(messages):
         response = await g4f.ChatCompletion.create_async(
             model=g4f.models.gpt_35_turbo,
             messages=messages,
-            provider=g4f.Provider.MetaAI,
+            provider=g4f.Provider.Chatgpt4Online,
         )
         if isinstance(response, str):
             return response