et_3d_condition.UNet3DConditionOutput is returned, otherwise
a tuple is returned where the first element is the sample tensor.
  The UNetMotionModel forward method.  freeze_unet2d_params  < source > ( )    Freeze the weights of just the UNet2DConditionModel, and leave the motion modules
unfrozen for fine tuning.  set_attn_processor  < source > ( processor: Union  )   Parameters   processor (dict of AttentionProcessor or only AttentionProcessor)