nal, defaults to "default") — Time scale shift config
for ResNet blocks (see ResnetBlock2D). Choose from default or scale_shift.   class_embed_type (str, optional, defaults to None) —
The type of class embedding to use which is ultimately summed with the time embeddings. Choose from None,
"timestep", "identity", "projection", or "simple_projection".   num_class_embeds (int, optional, defaults to None) —
Input dimension of the learnable embeddin