def scalars_to_op(cls, ops, kwargs):
    r'''Convert any scalar $\alpha$ in `ops` into an operator $\alpha
    \identity$'''
    from qnet.algebra.core.scalar_algebra import is_scalar
    op_ops = []
    for op in ops:
        if is_scalar(op):
            op_ops.append(op * cls._one)
        else:
            op_ops.append(op)
    return op_ops, kwargs
r'''Convert any scalar $\alpha$ in `ops` into an operator $\alpha
    \identity$