How to use the okta.framework.Utils.Utils function in okta

def update_group_by_id(self, gid, group):
        """Update a group, defined by an id

        :param gid: the target group id
        :type gid: str
        :param group: the data to update the target group
        :type group: UserGroup
        :rtype: UserGroup
        """
        response = ApiClient.put_path(self, '/{0}'.format(gid), group)
        return Utils.deserialize(response.text, UserGroup)

"""Get a list of Events

        :param limit: maximum number of events to return
        :type limit: int or None
        :param filter_string: string to filter events
        :type filter_string: str or None
        :rtype: list of Event
        """
        params = {
            'limit': limit,
            'startDate': start_date,
            'filter': filter_string
        }
        response = ApiClient.get_path(self, '/', params=params)

        return Utils.deserialize(response.text, Event)

:param limit: maximum number of users to return
        :type limit: int or None
        :param query: string to search users' first names, last names, and emails
        :type query: str or None
        :param filter_string: string to filter users
        :type filter_string: str or None
        :rtype: list of User
        """
        params = {
            'limit': limit,
            'q': query,
            'filter': filter_string
        }
        response = ApiClient.get_path(self, '/', params=params)
        return Utils.deserialize(response.text, User)

"""Create a session

        :param username: the user's username
        :type username: str
        :param password: the user's password
        :type password: str
        :param additional_fields: additional fields that will be included in the response
        :type additional_fields: str
        :rtype: Session
        """
        creds = Credentials()
        creds.username = username
        creds.password = password
        params = {'additionalFields': additional_fields}
        response = ApiClient.post_path(self, '/', creds, params=params)
        return Utils.deserialize(response.text, Session)

def get_group_users(self, gid):
        """Get the users of a group

        :param gid: the group id
        :type gid: str
        :rtype: User
        """
        response = ApiClient.get_path(self, '/{0}/users'.format(gid))
        return Utils.deserialize(response.text, User)

setattr(o, a, v)

        json_dump = {}
        if from_data is None or len(from_data) == 0:
            json_dump = {}
        elif isinstance(from_data, six.text_type) or isinstance(from_data, six.string_types):
            json_dump = json.loads(from_data)
        else:
            json_dump = from_data

        list_type = types.ListType if six.PY2 else list
        if isinstance(json_dump, list_type):
            obj_list = list()
            for obj in json_dump:
                obj_list.append(Utils.deserialize(obj, to_class))

            return obj_list

        else:
            obj = to_class()

            # Loop through each type of object in types
            if hasattr(to_class, 'types'):
                for attr, attr_type in six.iteritems(to_class.types):
                    if attr in json_dump:
                        val = json_dump[attr]

                        if not val:
                            continue

                        if attr_type == datetime:

def remove_nulls(d):
        built = {}
        for k, v in six.iteritems(d):
            if v is None:
                continue

            if isinstance(v, dict):
                built[k] = Utils.remove_nulls(v)

            if isinstance(v, object) and hasattr(v, '__dict__'):
                built[k] = Utils.remove_nulls(v.__dict__)

            else:
                built[k] = v

        return built

def get_factors_catalog(self, user_id):
        """Get available factors for a user

        :param user_id: target user id
        :type user_id: str
        :rtype: list of FactorCatalogEntry
        """
        response = ApiClient.get_path(self, '/{0}/factors/catalog'.format(user_id))
        return Utils.deserialize(response.text, FactorCatalogEntry)

def create_session_by_session_token(self, session_token, additional_fields=None):
        """Create a session using a session token

        :param session_token: a token that can be exchanged for a session
        :type session_token: str
        :param additional_fields: additional fields that will be included in the response
        :type additional_fields: str
        :rtype: Session
        """
        data = {'sessionToken': session_token}
        params = {'additionalFields': additional_fields}
        response = ApiClient.post_path(self, '/', data, params=params)
        return Utils.deserialize(response.text, Session)

def default(self, obj):
        if isinstance(obj, datetime):
            return obj.strftime('dt(%Y-%m-%dT%H:%M:%SZ)')
        elif isinstance(obj, object):
        	no_nulls = Utils.remove_nulls(obj.__dict__)
        	formatted = Utils.replace_alt_names(obj, no_nulls)
        	return formatted
        else:
            return JSONEncoder.default(self, obj)