python 2 urllib issue fixed

Author: jyothishjose6190

sift/client.py

@@ -7,7 +7,7 @@
 import requests.auth
 import sys
 if sys.version_info[0] < 3:
-    import urllib.request, urllib.parse, urllib.error
+    import six.moves.urllib as urllib 
     _UNICODE_STRING = str
 else:
     import urllib.parse

tests/test_client.py

@@ -7,7 +7,7 @@
 import sys
 import requests.exceptions
 if sys.version_info[0] < 3:
-    import urllib.request, urllib.parse, urllib.error
+    import six.moves.urllib as urllib 
 else:
     import urllib.parse
 

tests/test_client_v203.py

@@ -7,7 +7,7 @@
 import sys
 import requests.exceptions
 if sys.version_info[0] < 3:
-    import urllib.request, urllib.parse, urllib.error
+    import six.moves.urllib as urllib 
 else:
     import urllib.parse