Merge pull request #441 from tengerye/master

Compatible with Python 3.

deploy/mtcnn_detector.py

@@ -6,7 +6,11 @@ import math
 import cv2
 from multiprocessing import Pool
 from itertools import repeat
-from itertools import izip
+try:
+    from itertools import izip
+except ImportError:
+    izip = zip
+
 from helper import nms, adjust_input, generate_bbox, detect_first_stage_warpper
 
 class MtcnnDetector(object):