observe CPU instead of sleep

spotiplayer_pi/main.py

@@ -34,7 +34,7 @@ def get_cpu_temp():
 
 def get_cpu_util():
     try:
-        return psutil.cpu_percent(interval=0)
+        return psutil.cpu_percent(interval=0.1)
     except Exception as e:
         warnings.warn(f"Error getting CPU util: {e}")
         return None
@@ -215,7 +215,6 @@ def display_loop(api: Api, cfg: Dict):
                 draw.text((date_x, 78), date_text, font=Font2, fill=(255, 255, 255))
 
                 d.ShowImage(not_playing_img)
-                time.sleep(0.1)
                 if current_mode != 0:
                     current_mode = 0
                     print("Standby mode")