Update app.py

app.py

@@ -323,11 +323,7 @@ dino_image_cache = {}
 def load_rise_fall_slideshow(api_key):
     """Load cached dinosaur slideshow demo and hide the demo button and instruction."""
     global dino_audio_cache, dino_image_cache
-    
-    # API key is required even for demo
-    if not api_key:
-        raise gr.Error("Please enter your Gemini API key first")
-    
+        
     # Clear any previous cache
     dino_audio_cache = {}
     dino_image_cache = {}
@@ -450,7 +446,6 @@ with gr.Blocks(
                 """<div class="api-key-note">
                     <strong>Note:</strong> You need a Gemini API key with billing enabled to use this app.<br>
                     Get your API key from <a href="https://aistudio.google.com/app/apikey" target="_blank">Google AI Studio</a>.<br>
-                    <em>Important: Make sure to enable billing on your Google Cloud account for API access.</em>
                 </div>"""
             )