old_contents: """
  fs.expose.django
  ================
  
  Use an FS object for Django File Storage
  
  This module exposes the class "FSStorage", a simple adapter for using FS
  objects as Django storage objects.  Simply include the following lines
  in your settings.py::
  
      DEFAULT_FILE_STORAGE = fs.expose.django_storage.FSStorage
      DEFAULT_FILE_STORAGE_FS = OSFS('foo/bar')  # Or whatever FS
  
  
  """
  
  from django.conf import settings
  from django.core.files.storage import Storage
  from django.core.files import File
  
  from fs.path import abspath, dirname
  from fs.errors import convert_fs_errors
  
  class FSStorage(Storage):
      """Expose an FS object as a Django File Storage object."""
  
      def __init__(self, fs=None, base_url=None):
          """
          :param fs: an FS object
          :param base_url: The url to prepend to the path
           
          """
          if fs is None:
              fs = settings.DEFAULT_FILE_STORAGE_FS
          if base_url is None:
              base_url = settings.MEDIA_URL
          base_url = base_url.rstrip('/')
          self.fs = fs
          self.base_url = base_url
  
      def exists(self, name):
          return self.fs.isfile(name)
  
      def path(self, name):
          path = self.fs.getsyspath(name)
          if path is None:
              raise NotImplementedError
          return path
  
      @convert_fs_errors
      def size(self, name):
          return self.fs.getsize(name)
  
      @convert_fs_errors
      def url(self, name):
          return self.base_url + abspath(name)
  
      @convert_fs_errors
      def _open(self, name, mode):
          return File(self.fs.open(name, mode))
  
      @convert_fs_errors
      def _save(self, name, content):
          self.fs.makedir(dirname(name), allow_recreate=True, recursive=True)
          self.fs.setcontents(name, content)
          return name
  
      @convert_fs_errors
      def delete(self, name):
          try:
              self.fs.remove(name)
          except ResourceNotFoundError:
              pass
  
  
  
new_contents: """
  fs.expose.django
  ================
  
  Use an FS object for Django File Storage
  
  This module exposes the class "FSStorage", a simple adapter for using FS
  objects as Django storage objects.  Simply include the following lines
  in your settings.py::
  
      DEFAULT_FILE_STORAGE = fs.expose.django_storage.FSStorage
      DEFAULT_FILE_STORAGE_FS = OSFS('foo/bar')  # Or whatever FS
  
  
  """
  
  from django.conf import settings
  from django.core.files.storage import Storage
  from django.core.files import File
  
  from fs.path import abspath, dirname
  from fs.errors import convert_fs_errors, ResourceNotFoundError
  
  class FSStorage(Storage):
      """Expose an FS object as a Django File Storage object."""
  
      def __init__(self, fs=None, base_url=None):
          """
          :param fs: an FS object
          :param base_url: The url to prepend to the path
           
          """
          if fs is None:
              fs = settings.DEFAULT_FILE_STORAGE_FS
          if base_url is None:
              base_url = settings.MEDIA_URL
          base_url = base_url.rstrip('/')
          self.fs = fs
          self.base_url = base_url
  
      def exists(self, name):
          return self.fs.isfile(name)
  
      def path(self, name):
          path = self.fs.getsyspath(name)
          if path is None:
              raise NotImplementedError
          return path
  
      @convert_fs_errors
      def size(self, name):
          return self.fs.getsize(name)
  
      @convert_fs_errors
      def url(self, name):
          return self.base_url + abspath(name)
  
      @convert_fs_errors
      def _open(self, name, mode):
          return File(self.fs.open(name, mode))
  
      @convert_fs_errors
      def _save(self, name, content):
          self.fs.makedir(dirname(name), allow_recreate=True, recursive=True)
          self.fs.setcontents(name, content)
          return name
  
      @convert_fs_errors
      def delete(self, name):
          try:
              self.fs.remove(name)
          except ResourceNotFoundError:
              pass
  
  
  
subject: Add missing import