Update app.py

app.py

@@ -10,7 +10,6 @@ install("pixeltable==0.2.20")
 install("git+https://github.com/Megvii-BaseDetection/YOLOX.git")
 
 import gradio as gr
-from gradio.themes import Glass
 import pixeltable as pxt
 from pixeltable.iterators import FrameIterator
 from pixeltable.ext.functions.yolox import yolox
@@ -79,7 +78,7 @@ def process_video(video_file, model_id, threshold, progress=gr.Progress()):
     return output_video, frame_gallery
 
 # Gradio interface
-with gr.Blocks(theme=Glass()) as demo:
+with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
     gr.Markdown(
         """
         <div max-width: 800px; margin: 0 auto;">