How to use the pandarallel.utils.inliner.OpCode.LOAD_FAST function in pandarallel

func_co_consts = func_code.co_consts
    func_co_varnames = func_code.co_varnames

    new_co_consts = remove_duplicates(func_co_consts + tuple(arguments.values()))
    new_co_varnames = tuple(item for item in func_co_varnames if item not in arguments)

    trans_co_varnames2_co_consts = {
        func_co_varnames.index(key): new_co_consts.index(value)
        for key, value in arguments.items()
    }

    trans_co_varnames = get_transitions(func_co_varnames, new_co_varnames)

    transitions = {
        **get_b_transitions(
            trans_co_varnames2_co_consts, OpCode.LOAD_FAST, OpCode.LOAD_CONST
        ),
        **get_b_transitions(trans_co_varnames, OpCode.LOAD_FAST, OpCode.LOAD_FAST),
        **get_b_transitions(trans_co_varnames, OpCode.STORE_FAST, OpCode.STORE_FAST),
    }

    new_co_code = multiple_replace(func_co_code, transitions)

    new_func = FunctionType(
        func.__code__,
        func.__globals__,
        func.__name__,
        func.__defaults__,
        func.__closure__,
    )

    nfcode = new_func.__code__

def are_functions_equivalent(l_func, r_func):
    """Return True if `l_func` and `r_func` are equivalent"""
    l_code, r_code = l_func.__code__, r_func.__code__

    trans_co_consts = get_transitions(l_code.co_consts, r_code.co_consts)
    trans_co_names = get_transitions(l_code.co_names, r_code.co_names)
    trans_co_varnames = get_transitions(l_code.co_varnames, r_code.co_varnames)

    transitions = {
        **get_b_transitions(trans_co_consts, OpCode.LOAD_CONST, OpCode.LOAD_CONST),
        **get_b_transitions(trans_co_names, OpCode.LOAD_GLOBAL, OpCode.LOAD_GLOBAL),
        **get_b_transitions(trans_co_names, OpCode.LOAD_METHOD, OpCode.LOAD_METHOD),
        **get_b_transitions(trans_co_names, OpCode.LOAD_ATTR, OpCode.LOAD_ATTR),
        **get_b_transitions(trans_co_names, OpCode.STORE_ATTR, OpCode.STORE_ATTR),
        **get_b_transitions(trans_co_varnames, OpCode.LOAD_FAST, OpCode.LOAD_FAST),
        **get_b_transitions(trans_co_varnames, OpCode.STORE_FAST, OpCode.STORE_FAST),
    }

    new_l_co_code = multiple_replace(l_code.co_code, transitions)

    co_code_cond = new_l_co_code == r_code.co_code
    co_consts_cond = set(l_code.co_consts) == set(r_code.co_consts)
    co_names_cond = set(l_code.co_names) == set(l_code.co_names)
    co_varnames_cond = set(l_code.co_varnames) == set(l_code.co_varnames)

    return co_code_cond and co_consts_cond and co_names_cond and co_varnames_cond

new_co_consts = remove_duplicates(func_co_consts + tuple(arguments.values()))
    new_co_varnames = tuple(item for item in func_co_varnames if item not in arguments)

    trans_co_varnames2_co_consts = {
        func_co_varnames.index(key): new_co_consts.index(value)
        for key, value in arguments.items()
    }

    trans_co_varnames = get_transitions(func_co_varnames, new_co_varnames)

    transitions = {
        **get_b_transitions(
            trans_co_varnames2_co_consts, OpCode.LOAD_FAST, OpCode.LOAD_CONST
        ),
        **get_b_transitions(trans_co_varnames, OpCode.LOAD_FAST, OpCode.LOAD_FAST),
        **get_b_transitions(trans_co_varnames, OpCode.STORE_FAST, OpCode.STORE_FAST),
    }

    new_co_code = multiple_replace(func_co_code, transitions)

    new_func = FunctionType(
        func.__code__,
        func.__globals__,
        func.__name__,
        func.__defaults__,
        func.__closure__,
    )

    nfcode = new_func.__code__

    new_func.__code__ = CodeType(