Update app.py

app.py

@@ -51,8 +51,7 @@ class MCPClient:
 
 class AIAssistant:
     def __init__(self, openai_api_key: str, mcp_client: MCPClient):
-        openai.api_key = openai_api_key
-        self.openai_client = openai
+        self.openai_client = openai.OpenAI(api_key=openai_api_key)
         self.mcp_client = mcp_client
         self.available_tools = []
 
@@ -61,7 +60,7 @@ class AIAssistant:
 
     async def process_message(self, user_message: str) -> Tuple[str, str]:
         try:
-            response = self.openai_client.ChatCompletion.create(
+            response = self.openai_client.chat.completions.create(
                 model="gpt-3.5-turbo",
                 messages=[{"role": "user", "content": user_message}],
                 temperature=0.7,
@@ -71,6 +70,7 @@ class AIAssistant:
         except Exception as e:
             return f"❌ Error: {str(e)}", ""
 
+
 # Globals
 assistant = None