Update app.py

app.py

@@ -21,7 +21,8 @@ def process_video_and_get_json(video, sitting, hands, location, screen):
     final_query = query + " " + " ".join(additional_info)
 
     video_description = describe_video(video, final_query)
-    json_response = process_description(video_description)
+    if video_description:
+        json_response = process_description(video_description)
 
     return video_description, json_response 
 
@@ -56,8 +57,8 @@ description = "Annotate Videos"
 article = "<p style='text-align: center'><a href='https://github.com/OpenBMB/MiniCPM-V' target='_blank'>Model GitHub Repo</a> | <a href='https://huggingface.co/openbmb/MiniCPM-V-2_6' target='_blank'>Model Page</a></p>"
 
 custom_theme = gr.themes.Soft(
-    primary_hue="yellow", 
-    secondary_hue="yellow",
+    primary_hue="indigo", 
+    secondary_hue="indigo",
     neutral_hue="zinc"
 )