old_contents: import mimetypes
  import os.path
  
  from django.core.files.storage import default_storage
  from django.template.defaultfilters import slugify
  
  
  def slugify_filename(filename):
      """ Slugify filename """
      name, ext = os.path.splitext(filename)
      return slugify(name) + ext
  
  
  def get_thumb_filename(file_name):
      """
      Generate thumb filename by adding _thumb to end of
      filename before . (if present)
      """
      return '{0}_thumb{1}'.format(*os.path.splitext(file_name))
  
  
  def get_image_format(extension):
      mimetypes.init()
      return mimetypes.types_map[extension]
  
  
  def get_media_url(path):
      """
      Determine system file's media URL.
      """
      return default_storage.url(path)
  
new_contents: import mimetypes
  import os.path
  
  from django.core.files.storage import default_storage
  from django.template.defaultfilters import slugify
  
  
  def slugify_filename(filename):
      """ Slugify filename """
      name, ext = os.path.splitext(filename)
      return slugify(name) + ext
  
  
  def get_thumb_filename(file_name):
      """
      Generate thumb filename by adding _thumb to end of
      filename before . (if present)
      """
      return u'{0}_thumb{1}'.format(*os.path.splitext(file_name))
  
  
  def get_image_format(extension):
      mimetypes.init()
      return mimetypes.types_map[extension]
  
  
  def get_media_url(path):
      """
      Determine system file's media URL.
      """
      return default_storage.url(path)
  
subject: Fix UnicodeEncodeError