Update main.py

main.py

@@ -127,7 +127,7 @@ def update_db(user_id, conversation_id, message, response):
 def calculate_tokens(msgs):
     return sum(len(encoding.encode(str(m))) for m in msgs)
 
-def limit_conversation_history(conversation: List[Dict[str, str]], max_tokens: int = 4000) -> List[Dict[str, str]]:
+def limit_conversation_history(conversation: List[Dict[str, str]], max_tokens: int = 7500) -> List[Dict[str, str]]:
     """Limit the conversation history to a maximum number of tokens."""
     limited_conversation = []
     current_tokens = 0