human
I wrote the below code

    @functools.wraps(view)
    def wrapper(request, course_id):
        "\n                                Wraps    the    view    function,    performing    access    check,    loading    the    course,\n                                and    modifying    the    view's    call    signature.\n                                "
        course_key = CourseKey.from_string(course_id)
        ccx = None
        if isinstance(course_key, CCXLocator):
            ccx_id = course_key.ccx
            try:
                ccx = CustomCourseForEdX.objects.get(pk=ccx_id)
            except CustomCourseForEdX.DoesNotExist:
                raise Http404
        if ccx:
            course_key = ccx.course_id
        course = get_course_by_id(course_key, depth=None)
        if (not course.enable_ccx):
            raise Http404
        else:
            is_staff = has_access(request.user, 'staff', course)
            is_instructor = has_access(request.user, 'instructor', course)
            if (is_staff or is_instructor):
                return view(request, course, ccx)
            else:
                role = CourseCcxCoachRole(course_key)
                if (not role.has_user(request.user)):
                    return HttpResponseForbidden(_('You    must    be    a    CCX    Coach    to    access    this    view.'))
                elif (ccx is not None):
                    coach_ccx = get_ccx_by_ccx_id(course, request.user, ccx.id)
                    if (coach_ccx is None):
                        return HttpResponseForbidden(_('You    must    be    the    coach    for    this    ccx    to    access    this    view'))
        return view(request, course, ccx)
    return wrapper

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

def coach_dashboard(view):