Update app.py

app.py

@@ -77,7 +77,7 @@ def handle_gallery_upload_for_dims_wan(gallery_images, current_h_val, current_w_
         return gr.update(value=DEFAULT_H_SLIDER_VALUE), gr.update(value=DEFAULT_W_SLIDER_VALUE)
     try:
         # Use the first image to calculate dimensions
-        first_image = gallery_images[0]
+        first_image = gallery_images[0][0]
         new_h, new_w = _calculate_new_dimensions_wan(
             first_image, MOD_VALUE, NEW_FORMULA_MAX_AREA,
             SLIDER_MIN_H, SLIDER_MAX_H, SLIDER_MIN_W, SLIDER_MAX_W,
@@ -176,6 +176,8 @@ def generate_video(gallery_images, mode, prompt, height, width,
     """
     if gallery_images is None or len(gallery_images) == 0:
         raise gr.Error("Please upload at least one image to the gallery.")
+    else:
+        gallery_images = [img[0] for img in gallery_images]
 
     if mode == "FLF2V" and len(gallery_images) >= 2:
         gallery_images = gallery_images[:2]