<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def download(self, path):
 """downloads a model resource to the path"""

        service_get_resp = requests.get(self.location, cookies={"session": self.session})
        payload = service_get_resp.json()
        self._state = payload["status"]

        if self._state != "processed":
            raise errors.ResourceError("slice resource status is: {}".format(self._state))
        else:
            download_get_resp = requests.get(payload["content"])
            with open(path, "wb") as model_file:
                model_file.write(download_get_resp.content)