Exception of imports

main.py

@@ -1,9 +1,7 @@
 
 from time import sleep
-from PIL import Image
-import os
-import serial
 import sys
+import os
 import json
 import datetime
 
@@ -11,6 +9,7 @@ try:
 	import numpy as np
 	from picamera import PiCamera
 	from picamera.array import PiRGBArray
+	import serial
 	import cv2
 
 except Exception as ex:

trainer.py

@@ -7,10 +7,10 @@ import os
 import sys
 import json
 
+
 picCount = 0
 new = False
 
-
 def start():
 	print('Starting training..')
 	label = int(input('Label (Integer): '))
@@ -32,14 +32,12 @@ def start():
 	addPerson(label, newFileName, oldFileName)
 	addName(name)
 
-
 def clearTrainFolder():
 	print('clearing train folder')
 	filelist = [ f for f in os.listdir('train/') if f.endswith(".jpg") ]
 	for f in filelist:
 		os.remove(os.path.join('train/', f))
 
-
 def addPerson(label, newFileName, oldFileName):
 	try:
 		#faceFilePath = '/faces/hesham-saeed2'
@@ -78,7 +76,6 @@ def addPerson(label, newFileName, oldFileName):
 	face_recognizer.save('faces/'+newFileName)
 	print('Updated and saved file in faces/'+newFileName) 
 
-
 def capture(count):
 	try:
 		print('Initializing camera')
@@ -100,7 +97,6 @@ def capture(count):
 	cv2.destroyAllWindows()
 	print('Done!')
 
-
 def promptNew():
 	filemode = raw_input('Make new File? (y/n): ')
 	if filemode == 'y':
@@ -111,8 +107,8 @@ def promptNew():
 		print('incorrect input')
 		promptNew()
 
-
 def addName(newName):
+	
 	with open("faces/names.json", "r") as read_file:
 		exist = False
 		namesJson = json.load(read_file)
@@ -129,5 +125,4 @@ def addName(newName):
 	with open("faces/names.json","w") as write_file:
 		json.dump(names,write_file)
 
-
 start()