Exception of imports

main.py

@@ -1,21 +1,20 @@
 
 from time import sleep
-from PIL import Image
-import os
-import serial
 import sys
+import os
 import json
 import datetime
 
 try:
-    import numpy as np
-    from picamera import PiCamera
-    from picamera.array import PiRGBArray
-    import cv2
+	import numpy as np
+	from picamera import PiCamera
+	from picamera.array import PiRGBArray
+	import serial
+	import cv2
 
 except Exception as ex:
-    print('[ Error ] some depandincies are missing\n'+ str(ex.args))
-    sys.exit()
+	print('[ Error ] some depandincies are missing\n'+ str(ex.args))
+	sys.exit()
 
 def init():
 	go = True