Update

app.py

@@ -90,6 +90,18 @@ def compare_face(frame1, frame2):
     return [r.json(), [face1, face2]]
 
 with gr.Blocks(theme='aliabid94/new-theme') as demo:
+    demo.load(
+        None,
+        None,
+        _js="""
+        () => {
+        const params = new URLSearchParams(window.location.search);
+        if (!params.has('__theme')) {
+            params.set('__theme', 'dark');
+            window.location.search = params.toString();
+        }
+        }""",
+    )
     with gr.Row():
         with gr.Column():
             compare_face_input1 = gr.Image(label="Image1", type='filepath', height=480)