def __init__(self, backend):
    super(ResponseObject, self).__init__()
    self.backend = backend
    self.method = ''
    self.path = ''
    self.data = {}
    self.headers = {}
def __init__(self, backend):
    super(ResponseObject, self).__init__()
    self.backend = backend
    self.method = 
    self.path = 
    self.data = {}
    self.headers = {}