Merge pull request #5360 from SpecLad:test2-fail-on-failed-download

modules/python/test/test2.py

@@ -2,17 +2,8 @@
 
 import unittest
 import random
-import time
-import math
-import sys
-import array
-import urllib
-import tarfile
+import urllib2
 import hashlib
-import os
-import getopt
-import operator
-import functools
 import numpy as np
 import cv2
 import cv2.cv as cv
@@ -21,8 +12,10 @@ class NewOpenCVTests(unittest.TestCase):
 
     def get_sample(self, filename, iscolor = cv.CV_LOAD_IMAGE_COLOR):
         if not filename in self.image_cache:
-            filedata = urllib.urlopen("https://raw.github.com/Itseez/opencv/2.4/" + filename).read()
-            self.image_cache[filename] = cv2.imdecode(np.fromstring(filedata, dtype=np.uint8), iscolor)
+            filedata = urllib2.urlopen("https://raw.github.com/Itseez/opencv/2.4/" + filename).read()
+            image = cv2.imdecode(np.fromstring(filedata, dtype=np.uint8), iscolor)
+            self.assertFalse(image is None)
+            self.image_cache[filename] = image
         return self.image_cache[filename]
 
     def setUp(self):