fixes sgp30 sensor not displaying data

arduino/node-code/node-code-final.ino

@@ -158,8 +158,6 @@ void update(){
   // read dht11 sensor
   temperature = float(dht.readTemperature());
   humidity = float(dht.readHumidity());
-
-
 }
 
 // function to display data on oled screen
@@ -202,6 +200,9 @@ void setup() {
 
 // loop function
 void loop() {
+  // check for errors
+  checkForError();
+
   // loop the websocket connection so it stays alive
   webSocket.loop();