Update pipeline.py

pipeline.py

@@ -412,7 +412,7 @@ class AnimateDiffControlNetPipeline(
                     [single_negative_image_embeds] * num_images_per_prompt, dim=0
                 )
 
-                if do_classifier_free_guidance:
+                if self.do_classifier_free_guidance:
                     single_image_embeds = torch.cat([single_negative_image_embeds, single_image_embeds])
                     single_image_embeds = single_image_embeds.to(device)