Update app.py

app.py

@@ -29,8 +29,8 @@ async def generate(input_text):
         return
 
     # Initialize the standard client
-    client = genai.Client(api_key=GEMINI_API_KEY)
-    model_id = "gemini-1.5-flash"  # Ensure this is a valid model ID for your tier
+    client = genai.Client(api_key=GEMINI_API_KEY, http_options={'api_version': 'v1alpha'})
+    model_id = "gemini-2.5-flash"  # Ensure this is a valid model ID for your tier
 
     train_tool = types.Tool(
         function_declarations=[