human
I wrote the below code

    def _sympify(eq):
        return list(map(sympify, (eq if iterable(eq) else [eq])))
    (eq, funcs) = (_sympify(w) for w in [eq, funcs])
    for (i, fi) in enumerate(eq):
        if isinstance(fi, Equality):
            eq[i] = (fi.lhs - fi.rhs)
    matching_hints = {'no_of_equation': (i + 1)}
    matching_hints['eq'] = eq
    if (i == 0):
        raise ValueError('classify_sysode()    works    for    systems    of    ODEs.    For    scalar    ODEs,    classify_ode    should    be    used')
    t = list(list(eq[0].atoms(Derivative))[0].atoms(Symbol))[0]
    order = dict()
    if (funcs == [None]):
        funcs = []
        for eqs in eq:
            derivs = eqs.atoms(Derivative)
            func = set().union(*[d.atoms(AppliedUndef) for d in derivs])
            for func_ in func:
                funcs.append(func_)
    funcs = list(set(funcs))
    if (len(funcs) < len(eq)):
        raise ValueError(('Number    of    functions    given    is    less    than    number    of    equations    %s' % funcs))
    func_dict = dict()
    for func in funcs:
        if (not order.get(func, False)):
            max_order = 0
            for (i, eqs_) in enumerate(eq):
                order_ = ode_order(eqs_, func)
                if (max_order < order_):
                    max_order = order_
                    eq_no = i
            if (eq_no in func_dict):
                list_func = []
                list_func.append(func_dict[eq_no])
                list_func.append(func)
                func_dict[eq_no] = list_func
            else:
                func_dict[eq_no] = func
            order[func] = max_order
    funcs = [func_dict[i] for i in range(len(func_dict))]
    matching_hints['func'] = funcs
    for func in funcs:
        if isinstance(func, list):
            for func_elem in func:
                if (len(func_elem.args) != 1):
                    raise ValueError(('dsolve()    and    classify_sysode()    work    with    functions    of    one    variable    only,    not    %s' % func))
        elif...

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

def classify_sysode(eq, funcs=None, **kwargs):