[1.6.x] Replaced urllib/urlparse imports with from django.utils.six.moves.

Backport of 981b864fbd from master

django/contrib/admin/templatetags/admin_urls.py

@@ -1,12 +1,8 @@
-try:
-    from urllib.parse import parse_qsl, urlparse, urlunparse
-except ImportError:
-    from urlparse import parse_qsl, urlparse, urlunparse
-
 from django import template
 from django.contrib.admin.util import quote
 from django.core.urlresolvers import Resolver404, get_script_prefix, resolve
 from django.utils.http import urlencode
+from django.utils.six.moves.urllib.parse import parse_qsl, urlparse, urlunparse
 
 register = template.Library()
 

django/http/request.py

@@ -6,11 +6,6 @@ import re
 import sys
 from io import BytesIO
 from pprint import pformat
-try:
-    from urllib.parse import parse_qsl, urlencode, quote, urljoin
-except ImportError:
-    from urllib import urlencode, quote
-    from urlparse import parse_qsl, urljoin
 
 from django.conf import settings
 from django.core import signing
@@ -20,6 +15,7 @@ from django.http.multipartparser import MultiPartParser
 from django.utils import six
 from django.utils.datastructures import MultiValueDict, ImmutableList
 from django.utils.encoding import force_bytes, force_text, force_str, iri_to_uri
+from django.utils.six.moves.urllib.parse import parse_qsl, urlencode, quote, urljoin
 
 
 RAISE_ERROR = object()

django/http/response.py

@@ -4,10 +4,6 @@ import datetime
 import time
 import warnings
 from email.header import Header
-try:
-    from urllib.parse import urlparse
-except ImportError:
-    from urlparse import urlparse
 
 from django.conf import settings
 from django.core import signals
@@ -18,6 +14,7 @@ from django.utils import six, timezone
 from django.utils.encoding import force_bytes, force_text, iri_to_uri
 from django.utils.http import cookie_date
 from django.utils.six.moves import map
+from django.utils.six.moves.urllib.parse import urlparse
 
 
 # See http://www.iana.org/assignments/http-status-codes