AttributeError: module 'comfy.model_base' has no attribute 'SDXL_instructpix2pix'

!!! Exception during processing !!!
Traceback (most recent call last):
File "/Users/zhudigi/AItools/ComfyUI-master/execution.py", line 151, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/zhudigi/AItools/ComfyUI-master/execution.py", line 81, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/zhudigi/AItools/ComfyUI-master/execution.py", line 74, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/zhudigi/AItools/ComfyUI-master/custom_nodes/ComfyUI_IPAdapter_plus/IPAdapterPlus.py", line 436, in load_models
is_sdxl = isinstance(model.model, (comfy.model_base.SDXL, comfy.model_base.SDXLRefiner, comfy.model_base.SDXL_instructpix2pix))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'comfy.model_base' has no attribute 'SDXL_instructpix2pix'