Update app.py

app.py

@@ -67,7 +67,7 @@ def infer(prompt, video_path, condition, video_length, is_long_video):
     
     # Height and width should be a multiple of 32
     output_path = ""
-    height, width = 512
+    height, width = int(512)
     height = (height // 32) * 32    
     width = (width // 32) * 32    
     smoother_steps = [19, 20]