@classmethod
def __init__(self, *args, **kwargs):
    ' original request string '
    self.req_obj = kwargs.pop('req_obj')
    self.request = self.req_obj.get('request', '')
    self.req_from = self.req_obj.get('from', '')
    self.response = ''
original request string
@classmethod
def __init__(self, *args, **kwargs):
    '  '
    self.req_obj = kwargs.pop('req_obj')
    self.request = self.req_obj.get('request', )
    self.req_from = self.req_obj.get('from', )
    self.response = 