NodeMCU Ubidots DHT11

#include "DHT.h"
#define DHTPIN 13     //D7 pin on NodeMCU
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE);
#include "UbidotsMicroESP8266.h"
#define TOKEN  "BBFF-Y9WIaWHXgrw2bWbByx4eao0DDtCwy5"  // Put here your Ubidots TOKEN
#define WIFISSID "Hare Krishna"
#define PASSWORD "12345678"
Ubidots client(TOKEN);
unsigned long lastMillis = 0;
void setup(){
    Serial.begin(115200);
    dht.begin();
    delay(10);
    client.wifiConnection(WIFISSID, PASSWORD);
}
void loop(){
    if (millis() - lastMillis > 10000) {  ///every 10S
      float MyHumidity = dht.readHumidity();
      float MyTemperature = dht.readTemperature();
      lastMillis = millis();
      client.add("MyHumidity",MyHumidity );
      client.add("MyTemperature",MyTemperature );
      client.sendAll(true);
     }
}