How to use the pyeapi.api function in pyeapi

def __init__(self, *args, **kwargs):
        super(TestApiSwitchports, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.switchports.instance(None)
        self.config = open(get_fixture('running_config.text')).read()

def __init__(self, *args, **kwargs):
        super(TestApiIpinterfaces, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.ipinterfaces.instance(None)
        self.config = open(get_fixture('running_config.text')).read()

def test_instance(self):
        result = pyeapi.api.interfaces.instance(None)
        self.assertIsInstance(result, pyeapi.api.interfaces.Interfaces)

def test_instance(self):
        result = pyeapi.api.varp.instance(None)
        self.assertIsInstance(result, pyeapi.api.varp.Varp)

def __init__(self, *args, **kwargs):
        super(TestApiVarp, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.varp.Varp(None)
        self.config = open(get_fixture('running_config.varp')).read()

def __init__(self, *args, **kwargs):
        super(TestApiUsers, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.users.instance(None)
        self.config = open(get_fixture('running_config.text')).read()

def __init__(self, *args, **kwargs):
        super(TestApiVrfs, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.vrfs.instance(None)
        self.config = open(get_fixture('running_config.vrf')).read()

def test_instance(self):
        result = pyeapi.api.staticroute.instance(None)
        self.assertIsInstance(result, pyeapi.api.staticroute.StaticRoute)

def __init__(self, *args, **kwargs):
        super(TestApiRoutemaps, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.routemaps.Routemaps(None)
        self.config = open(get_fixture('running_config.routemaps')).read()

def test_instance(self):
        result = pyeapi.api.acl.instance(None)
        self.assertIsInstance(result, pyeapi.api.acl.StandardAcls)