Update app.py

app.py

@@ -258,6 +258,8 @@ Follow this example structure:
         except Exception as e:
             if "API key not valid" in str(e):
                 raise gr.Error("Invalid API key. Please provide a valid Gemini API key.")
+            elif "rate limit" in str(e).lower():
+                raise gr.Error("Rate limit exceeded for the API key. Please try again later or provide your own Gemini API key.")
             else:
                 raise gr.Error(f"Failed to generate podcast script: {e}")