remove some unneeded imports

diff --git a/samples/python2/hist.py b/samples/python2/hist.py
index 4bd594e..3b050a0 100755 (executable)
--- a/samples/python2/hist.py
+++ b/samples/python2/hist.py
@@ -13,7 +13,7 @@ Usage : python hist.py <image_file>
 Abid Rahman 3/14/12 debug Gary Bradski\r
 '''\r
 \r
-import cv2,sys\r
+import cv2\r
 import numpy as np\r
 \r
 bins = np.arange(256).reshape(256,1)\r
@@ -50,7 +50,7 @@ def hist_lines(im):
 \r
 if __name__ == '__main__':\r
     \r
-    import urllib2\r
+    import sys\r
 \r
     if len(sys.argv)>1:\r
         im = cv2.imread(sys.argv[1])\r