nsistent with the format
above. This bias will be added to the cross-attention scores.   return_dict (bool, optional, defaults to True) —
Whether or not to return a UNet2DConditionOutput instead of a plain
tuple.    The Transformer2DModel forward method.  Transformer2DModelOutput  class diffusers.models.transformer_2d.Transformer2DModelOutput  < source > ( sample: FloatTensor  )   Parameters   sample (torch.FloatTensor of shape (batch_size, num