docs: def state(self):
          """
          {
              "State": {
                  "ExitCode": 0,
                  "FinishedAt": "2014-10-20T16:45:35.908823764Z",
                  "Paused": false,
                  "Pid": 774,
                  "Restarting": false,
                  "Running": true,
                  "StartedAt": "2014-10-20T16:47:02.804735752Z"
              }
          }
          """
          response = normalize_keys(self.client.inspect_container(self.id))
          return response['state']