Update app.py

app.py

@@ -21,9 +21,6 @@ app.prepare(ctx_id=0, det_size=(640, 640))
 # ensure model downloads fully
 swapper = insightface.model_zoo.get_model('inswapper_128.onnx', download=True, download_zip=True)
 
-# ---------- CTA / marketing config ----------
-BASE_UTM = "utm_source=hfspace_faceswap"
-
 # ---------- Swap logic ----------
 def swap_faces(src_img, dest_img):
     # Pre-run nudge
@@ -63,7 +60,7 @@ def swap_faces(src_img, dest_img):
 def open_side():
     return gr.Sidebar(open=True)
 
-# ---------- Custom CSS (same vibe as video app) ----------
+# ---------- Custom CSS ----------
 CUSTOM_CSS = """
 .sticky-cta {
   position: sticky; top: 0; z-index: 1000;
@@ -134,7 +131,7 @@ CUSTOM_CSS = """
 """
 
 # ---------- UI (Blocks) ----------
-with gr.Blocks(title="Image Face Swap", theme=gr.themes.Soft(), css=CUSTOM_CSS) as demo:
+with gr.Blocks(title="Image Face Swap", css=CUSTOM_CSS) as demo:
     # Sticky banner
     gr.HTML(
         '<a class="sticky-cta" '
@@ -217,7 +214,7 @@ with gr.Blocks(title="Image Face Swap", theme=gr.themes.Soft(), css=CUSTOM_CSS)
         '</div>'
     )
 
-    # Open sidebar on click
+    # Open sidebar when user starts a swap
     go.click(fn=open_side, inputs=None, outputs=side, queue=False)
 
     # Main action
@@ -240,4 +237,5 @@ with gr.Blocks(title="Image Face Swap", theme=gr.themes.Soft(), css=CUSTOM_CSS)
     demo.queue()
 
 if __name__ == "__main__":
-    demo.launch()
+    # In Gradio 4.x, theme goes here, NOT in gr.Blocks()
+    demo.launch(theme=gr.themes.Soft())