Update app.py

app.py

@@ -7,7 +7,7 @@ import google.generativeai as genai
 genai.configure(api_key=os.getenv("GEMINI_API_KEY"))
 
 # 2️⃣  Create a model and a stateful chat session
-model = genai.GenerativeModel("gemini-pro")          # change model name if you like
+model = genai.GenerativeModel("gemini-2.0-flash")          # change model name if you like
 chat  = model.start_chat()                           # history handled for you
 
 # 3️⃣  Callback that Gradio calls each turn