add none

app.py

@@ -56,7 +56,8 @@ def process_images(image,no_mesh_draw=False,square_shape=False,progress=gr.Progr
        jsons[label] = boxes[index-1]
        print(index)
        index+=1
- 
+    
+    annotation_boxes.append(([0,0,1,1],"None"))
     #print(annotation_boxes)
     formatted_json = json.dumps(jsons, indent=1)
     #return image   
@@ -109,7 +110,7 @@ with gr.Blocks(css=css, elem_id="demo-container") as demo:
                     image = gr.Image(height=800,sources=['upload','clipboard'],image_mode='RGB',elem_id="image_upload", type="pil", label="Upload")
                     with gr.Row(elem_id="prompt-container",  equal_height=False):
                         with gr.Row():
-                            btn = gr.Button("Face Detect", elem_id="run_button")
+                            btn = gr.Button("Face Detect", elem_id="run_button",variant="primary")
                     
                     with gr.Accordion(label="Advanced Settings", open=False):
                         with gr.Row( equal_height=True):