old_contents: 
  import re
  import unicodedata
  
  from django.core.urlresolvers import reverse, NoReverseMatch
  from django.shortcuts import redirect
  from django.utils.encoding import smart_unicode
  
  from mezzanine.conf import settings
  from mezzanine.utils.importing import import_dotted_path
  
  
  def admin_url(model, url, object_id=None):
      """
      Returns the URL for the given model and admin url name.
      """
      opts = model._meta
      url = "admin:%s_%s_%s" % (opts.app_label, opts.object_name.lower(), url)
      args = ()
      if object_id is not None:
          args = (object_id,)
      return reverse(url, args=args)
  
  
  def slugify(s):
      """
      Loads the callable defined by the ``SLUGIFY`` setting, which defaults
      to the ``slugify_unicode`` function.
      """
      return import_dotted_path(settings.SLUGIFY)(s)
  
  
  def slugify_unicode(s):
      """
      Replacement for Django's slugify which allows unicode chars in
      slugs, for URLs in Chinese, Russian, etc.
      Adopted from https://github.com/mozilla/unicode-slugify/
      """
      chars = []
      for char in smart_unicode(s):
          cat = unicodedata.category(char)[0]
          if cat in "LN" or char in "-_~":
              chars.append(char)
          elif cat == "Z":
              chars.append(" ")
      return re.sub("[-\s]+", "-", "".join(chars).strip()).lower()
  
  
  def login_redirect(request):
      """
      Returns the redirect response for login/signup. Favors:
      - next param
      - LOGIN_REDIRECT_URL setting
      - homepage
      """
      ignorable_nexts = ("")
      if "mezzanine.accounts" in settings.INSTALLED_APPS:
          from mezzanine.accounts import urls
          ignorable_nexts += (urls.SIGNUP_URL, urls.LOGIN_URL, urls.LOGOUT_URL)
      next = request.REQUEST.get("next", "")
      if next in ignorable_nexts:
          try:
              next = reverse(settings.LOGIN_REDIRECT_URL)
          except NoReverseMatch:
              next = "/"
      return redirect(next)
  
  
  def path_to_slug(path):
      """
      Removes everything from the given URL path, including
      ``PAGES_SLUG`` if it is set, returning a slug that would match a
      ``Page`` instance's slug.
      """
      from mezzanine.urls import PAGES_SLUG
      for prefix in (settings.SITE_PREFIX, PAGES_SLUG):
          path = path.strip("/").replace(prefix, "", 1)
      return path or "/"
  
new_contents: 
  import re
  import unicodedata
  
  from django.core.urlresolvers import reverse, NoReverseMatch
  from django.shortcuts import redirect
  from django.utils.encoding import smart_unicode
  
  from mezzanine.conf import settings
  from mezzanine.utils.importing import import_dotted_path
  
  
  def admin_url(model, url, object_id=None):
      """
      Returns the URL for the given model and admin url name.
      """
      opts = model._meta
      url = "admin:%s_%s_%s" % (opts.app_label, opts.object_name.lower(), url)
      args = ()
      if object_id is not None:
          args = (object_id,)
      return reverse(url, args=args)
  
  
  def slugify(s):
      """
      Loads the callable defined by the ``SLUGIFY`` setting, which defaults
      to the ``slugify_unicode`` function.
      """
      return import_dotted_path(settings.SLUGIFY)(s)
  
  
  def slugify_unicode(s):
      """
      Replacement for Django's slugify which allows unicode chars in
      slugs, for URLs in Chinese, Russian, etc.
      Adopted from https://github.com/mozilla/unicode-slugify/
      """
      chars = []
      for char in smart_unicode(s):
          cat = unicodedata.category(char)[0]
          if cat in "LN" or char in "-_~":
              chars.append(char)
          elif cat == "Z":
              chars.append(" ")
      return re.sub("[-\s]+", "-", "".join(chars).strip()).lower()
  
  
  def login_redirect(request):
      """
      Returns the redirect response for login/signup. Favors:
      - next param
      - LOGIN_REDIRECT_URL setting
      - homepage
      """
      ignorable_nexts = ("",)
      if "mezzanine.accounts" in settings.INSTALLED_APPS:
          from mezzanine.accounts import urls
          ignorable_nexts += (urls.SIGNUP_URL, urls.LOGIN_URL, urls.LOGOUT_URL)
      next = request.REQUEST.get("next", "")
      if next in ignorable_nexts:
          try:
              next = reverse(settings.LOGIN_REDIRECT_URL)
          except NoReverseMatch:
              next = "/"
      return redirect(next)
  
  
  def path_to_slug(path):
      """
      Removes everything from the given URL path, including
      ``PAGES_SLUG`` if it is set, returning a slug that would match a
      ``Page`` instance's slug.
      """
      from mezzanine.urls import PAGES_SLUG
      for prefix in (settings.SITE_PREFIX, PAGES_SLUG):
          path = path.strip("/").replace(prefix, "", 1)
      return path or "/"
  
subject: Fix initial tuple for ignorable nexts in mezzanine.utils.login_redirect.