Update app.py

app.py

@@ -170,7 +170,7 @@ If earlier context is needed, ask the user to clarify.
                 raise ValueError("Mistral API key is required")
                 
             self.model = ChatMistralAI(
-                model="mistral-small-latest", 
+                model="devstral-small-latest", 
                 api_key=mistral_key,
         
             )
@@ -193,7 +193,7 @@ If earlier context is needed, ask the user to clarify.
             
             # Load tools
             tools = await load_mcp_tools(self.session)
-            tools.append(SleepTool(description="Wait 4 seconds between two calls"))
+            tools.append(SleepTool(description="Wait 2 seconds between two calls"))
             logger.info(f"📥 Loaded {len(tools)} tools")
             self.available_tools = {t.name: t for t in tools}