old_contents: # coding=utf-8
  # flake8: noqa
  import sys
  
  if sys.version_info[0] == 3:
      from django.utils.encoding import smart_bytes as smart_b, force_str as force_u, smart_text as smart_u
      # noinspection PyUnresolvedReferences
      from urllib.parse import quote
      ifilter = filter
      b_str = bytes
      u_str = str
      iteritems = lambda dic: dic.items()
  else:
      from django.utils.encoding import smart_str as smart_b, force_unicode as force_u, smart_text as smart_u
      # noinspection PyUnresolvedReferences
      from urllib2 import quote
      # noinspection PyUnresolvedReferences
      from itertools import ifilter
      b_str = str
      # noinspection PyUnresolvedReferences
      u_str = unicode
      iteritems = lambda dic: dic.iteritems()
  
  try:
      from django.conf.urls import patterns, url, include
  except ImportError:
      # noinspection PyUnresolvedReferences
      from django.conf.urls.defaults import patterns, url, include
  
  
  # Calm down unused import warnings:
  assert [smart_b, smart_u, force_u, quote, ifilter]
  
new_contents: # coding=utf-8
  # flake8: noqa
  import sys
  
  if sys.version_info[0] == 3:
      from django.utils.encoding import smart_bytes as smart_b, force_str as force_u, smart_text as smart_u
      # noinspection PyUnresolvedReferences
      from urllib.parse import quote
      ifilter = filter
      b_str = bytes
      u_str = str
      iteritems = lambda dic: dic.items()
  else:
      from django.utils.encoding import smart_str as smart_b, force_unicode as force_u
      try:
          from django.utils.encoding import smart_text as smart_u
      except:
          # Django 1.3
          from django.utils.encoding import smart_unicode as smart_u
      # noinspection PyUnresolvedReferences
      from urllib2 import quote
      # noinspection PyUnresolvedReferences
      from itertools import ifilter
      b_str = str
      # noinspection PyUnresolvedReferences
      u_str = unicode
      iteritems = lambda dic: dic.iteritems()
  
  try:
      from django.conf.urls import patterns, url, include
  except ImportError:
      # noinspection PyUnresolvedReferences
      from django.conf.urls.defaults import patterns, url, include
  
  
  # Calm down unused import warnings:
  assert [smart_b, smart_u, force_u, quote, ifilter]
  
subject: Fix smart_u for Django 1.3