update requirements.txt

model.py

@@ -59,7 +59,7 @@ class Model:
         )
         pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
         if self.device.type == "cuda":
-            pipe.disable_xformers_memory_efficient_attention()
+            pipe.enable_xformers_memory_efficient_attention()
         pipe.to(self.device)
         torch.cuda.empty_cache()
         gc.collect()