Construct an url of home list page by state, county, zipcode, street.

        Example:

        - https://www.zillow.com/browse/homes/ca/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/91001/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/91001/tola-ave_5038895/

def browse_home_listpage_url(self,
                                 state=None,
                                 county=None,
                                 zipcode=None,
                                 street=None,
                                 **kwargs):
        """
        Construct an url of home list page by state, county, zipcode, street.

        Example:

        - https://www.zillow.com/browse/homes/ca/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/91001/
        - https://www.zillow.com/browse/homes/ca/los-angeles-county/91001/tola-ave_5038895/
        """
        url = self.domain_browse_homes
        for item in [state, county, zipcode, street]:
            if item:
                url = url + "/%s" % item
        url = url + "/"
        return url