diff --git a/s0_detect.py b/s0_detect.py
index 27287a2..6ffc1c3 100644
--- a/s0_detect.py
+++ b/s0_detect.py
@@ -1,5 +1,6 @@
 import RPi.GPIO as g
 from time import sleep
+import time
 import json,socket
 g.setmode(g.BCM)
 g.setup(1, g.IN,pull_up_down=g.PUD_UP)