added sleep

main.py

@@ -2,6 +2,7 @@ import cv2
 import numpy as np
 import urllib.request
 from datetime import datetime
+import time
 recent=[]
 history=[]
 width=720
@@ -57,6 +58,7 @@ if __name__=="__main__":
     while True:
         if datetime.now().second==0 and datetime.now().minute!=lastminute:
         # if True:
+            time.sleep(0.5)
             (code,delay)=testConnect("https://blog.clf3.org")
             print(code,end=" ")
             if code/100<=3: