How to use the census.core.ACSClient function in census

return self.get(fields, geo=geo, **kwargs)

    @supported_years(2017, 2016, 2015, 2014, 2013, 2012, 2011)
    def zipcode(self, fields, zcta, **kwargs):
        return self.get(fields, geo={
            'for': 'zip code tabulation area:{}'.format(zcta),
        }, **kwargs)

class ACS5DpClient(ACS5Client):

    dataset = 'acs5/profile'

    years = (2017, 2016, 2015, 2014, 2013, 2012)


class ACS3Client(ACSClient):

    default_year = 2013
    dataset = 'acs3'

    years = (2013, 2012)

    @supported_years()
    def state_county_subdivision(self, fields, state_fips,
                                 county_fips, subdiv_fips, **kwargs):
        return self.get(fields, geo={
            'for': 'county subdivision:{}'.format(subdiv_fips),
            'in': 'state:{} county:{}'.format(state_fips, county_fips),
        }, **kwargs)

class ACS3DpClient(ACS3Client):

else:
            self.endpoint_url = super(ACSClient, self).endpoint_url
            self.definitions_url = super(ACSClient, self).definitions_url
            self.definition_url = super(ACSClient, self).definition_url
            self.groups_url = super(ACSClient, self).groups_url

    def tables(self, *args, **kwargs):
        self._switch_endpoints(kwargs.get('year', self.default_year))
        return super(ACSClient, self).tables(*args, **kwargs)

    def get(self, *args, **kwargs):
        self._switch_endpoints(kwargs.get('year', self.default_year))

        return super(ACSClient, self).get(*args, **kwargs)

class ACS5Client(ACSClient):

    default_year = 2017
    dataset = 'acs5'

    years = (2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009)

    @supported_years()
    def state_county_subdivision(self, fields, state_fips,
                                 county_fips, subdiv_fips, **kwargs):
        return self.get(fields, geo={
            'for': 'county subdivision:{}'.format(subdiv_fips),
            'in': 'state:{} county:{}'.format(state_fips, county_fips),
        }, **kwargs)

    @supported_years()
    def state_county_tract(self, fields, state_fips,

years = (2013, 2012)

    @supported_years()
    def state_county_subdivision(self, fields, state_fips,
                                 county_fips, subdiv_fips, **kwargs):
        return self.get(fields, geo={
            'for': 'county subdivision:{}'.format(subdiv_fips),
            'in': 'state:{} county:{}'.format(state_fips, county_fips),
        }, **kwargs)

class ACS3DpClient(ACS3Client):

    dataset = 'acs3/profile'


class ACS1Client(ACSClient):

    default_year = 2017
    dataset = 'acs1'

    years = (2017, 2016, 2015, 2014, 2013, 2012, 2011)

    @supported_years()
    def state_county_subdivision(self, fields, state_fips,
                                 county_fips, subdiv_fips, **kwargs):
        return self.get(fields, geo={
            'for': 'county subdivision:{}'.format(subdiv_fips),
            'in': 'state:{} county:{}'.format(state_fips, county_fips),
        }, **kwargs)

class ACS1DpClient(ACS1Client):

def _switch_endpoints(self, year):

        if year > 2009:
            self.endpoint_url = 'https://api.census.gov/data/%s/acs/%s'
            self.definitions_url = 'https://api.census.gov/data/%s/acs/%s/variables.json'
            self.definition_url = 'https://api.census.gov/data/%s/acs/%s/variables/%s.json'
            self.groups_url = 'https://api.census.gov/data/%s/acs/%s/groups.json'
        else:
            self.endpoint_url = super(ACSClient, self).endpoint_url
            self.definitions_url = super(ACSClient, self).definitions_url
            self.definition_url = super(ACSClient, self).definition_url
            self.groups_url = super(ACSClient, self).groups_url