jit strict mode do not support dict.copy()

Author: fzilan

mindone/diffusers/models/transformers/transformer_flux.py

@@ -443,8 +443,6 @@ def construct(
             If `return_dict` is True, an [`~models.transformer_2d.Transformer2DModelOutput`] is returned, otherwise a
             `tuple` where the first element is the sample tensor.
         """
-        if joint_attention_kwargs is not None:
-            joint_attention_kwargs = joint_attention_kwargs.copy()
 
         if joint_attention_kwargs is not None and joint_attention_kwargs.get("scale", None) is not None:
             logger.warning(