Update pipeline.py

pipeline.py

@@ -199,6 +199,9 @@ class AnimateDiffPipeline(DiffusionPipeline, TextualInversionLoaderMixin, IPAdap
     ):
         super().__init__()
         unet = UNetMotionModel.from_unet2d(unet, motion_adapter)
+        
+        if controlnet is None:
+            if hasattr(self, "controlnet"):delattr(self, "controlnet")
  
         self.register_modules(
             vae=vae,