Update app.py

app.py

@@ -253,7 +253,15 @@ Follow this example structure:
         system_instruction=system_prompt
         )
 
-        response = await model.generate_content_async(messages)
+        try:
+            response = await model.generate_content_async(messages)
+        except Exception as e:
+            if "API key not valid" in str(e):
+                gr.Error("Invalid API key. Please provide a valid Gemini API key.")
+                raise ValueError("Invalid API key. Please provide a valid Gemini API key.")
+            else:
+                gr.Error(f"Failed to generate podcast script: {e}")
+                raise e
 
         print(f"Generated podcast script:\n{response.text}")