Update app.py

app.py

@@ -382,6 +382,7 @@ def generate_video(
     progress=gr.Progress(track_tqdm=True),
 ):
     try:
+        global pipeline   # <<< ADD THIS LINE HERE (VERY TOP of try block)
         torch.cuda.reset_peak_memory_stats()
         log_memory("start")
 
@@ -484,7 +485,6 @@ def generate_video(
             try:
                 # Rebuild pipeline object with the new LoRA descriptor
                 # NOTE: this replaces the global `pipeline`. We must declare global to reassign it.
-                global pipeline
                 pipeline = LTX23DistilledA2VPipeline(
                     distilled_checkpoint_path=checkpoint_path,
                     spatial_upsampler_path=spatial_upsampler_path,