AttributeError: module 'comfy.samplers' has no attribute 'calculate_sigmas_scheduler'

!!! Exception during processing !!!
Traceback (most recent call last):
File "H:\ComfyUI\ComfyUI\execution.py", line 151, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "H:\ComfyUI\ComfyUI\execution.py", line 81, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "H:\ComfyUI\ComfyUI\execution.py", line 74, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "H:\ComfyUI\ComfyUI\custom_nodes\ComfyUI-sampler-lcm-alternative\sampler_lcm_alt.py", line 81, in get_sigmas
sigmas = comfy.samplers.calculate_sigmas_scheduler(model.model, "sgm_uniform", total_steps).cpu()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'comfy.samplers' has no attribute 'calculate_sigmas_scheduler'

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