code: def replace_mixtral_attn_with_multipack_flash_attn():
      from .modeling_mixtral import (
          MixtralMultipackFlashAttention2,
          mixtral_decoder_layer_forward,
          mixtral_model_forward,
      )
  
      transformers.models.mixtral.modeling_mixtral.MixtralDecoderLayer.forward = (
          mixtral_decoder_layer_forward
      )
      transformers.models.mixtral.modeling_mixtral.MixtralModel.forward = (
          mixtral_model_forward
      )
      transformers.models.mixtral.modeling_mixtral.MIXTRAL_ATTENTION_CLASSES[
          "flash_attention_2"
      ] = MixtralMultipackFlashAttention2
  
label_desc: Use image node_id 1 for calling a global function with example usage: replace_mixtral_attn_with_multipack_flash_attn() without return types