How to use the atlasapi.specs.Host function in atlasapi

def __init__(self, atlas):
            self.atlas: atlas = atlas
            self.logger = logging.getLogger('Atlas.Hosts')
            self.host_list_with_measurements: Optional[List[Host]] = list()
            self.host_list: Optional[List[Host]] = list()

def __eq__(self, other):
        if isinstance(other, Host):
            return self.hostname == other.hostname

ErrPaginationLimits: Out of limits
                :rtype: Union[ListOfHosts, dict]
                :type iterable: OptionalBool
                :type itemsPerPage: OptionalInt
                :type pageNum: OptionalInt

            """

            # Check limits and raise an Exception if needed
            ErrPaginationLimits.checkAndRaise(pageNum, itemsPerPage)

            if iterable:
                item_list = list(HostsGetAll(self.atlas, pageNum, itemsPerPage))
                obj_list = list()
                for item in item_list:
                    obj_list.append(Host(item))
                return_val = obj_list
            else:
                uri = Settings.api_resources["Monitoring and Logs"]["Get all processes for group"].format(
                    group_id=self.atlas.group,
                    page_num=pageNum,
                    items_per_page=itemsPerPage)

                return_val = self.atlas.network.get(Settings.BASE_URL + uri)

            return return_val

"""
        log_obj = HostLogFile(log_name=name, log_file_binary=file)
        if self.log_files is None:
            self.log_files = [log_obj]
        else:
            self.log_files.append(log_obj)

    def __hash__(self):
        return hash(self.hostname)

    def __eq__(self, other):
        if isinstance(other, Host):
            return self.hostname == other.hostname


ListOfHosts = NewType('ListOfHosts', List[Optional[Host]])


class RoleSpecs:
    """Roles supported by Atlas"""
    atlasAdmin = "atlasAdmin"
    readWriteAnyDatabase = "readWriteAnyDatabase"
    readAnyDatabase = "readAnyDatabase"
    backup = "backup"
    clusterMonitor = "clusterMonitor"
    dbAdmin = "dbAdmin"
    dbAdminAnyDatabase = "dbAdminAnyDatabase"
    enableSharding = "enableSharding"
    read = "read"
    readWrite = "readWrite"