he code it was copied from. This makes it easy to update and propagate changes across many files whenever you run make fix-copies. For example, in the code example below, StableDiffusionPipelineOutput is the original code and AltDiffusionPipelineOutput uses the # Copied from mechanism to copy it. The only difference is changing the class prefix from Stable to Alt.   Copied # Copied from diffusers.pipelines.stable_diffusion.pipeline_output.Stabl