old_contents: """
  django-bitfield
  ~~~~~~~~~~~~~~~
  """
  from __future__ import absolute_import
  
  from bitfield.models import Bit, BitHandler, CompositeBitField, BitField  # NOQA
  
  default_app_config = 'bitfield.apps.BitFieldConfig'
  
  try:
      VERSION = __import__('pkg_resources') \
          .get_distribution('bitfield').version
  except Exception:
      VERSION = 'unknown'
  
new_contents: """
  django-bitfield
  ~~~~~~~~~~~~~~~
  """
  from __future__ import absolute_import
  
  from bitfield.models import Bit, BitHandler, CompositeBitField, BitField  # NOQA
  
  default_app_config = 'bitfield.apps.BitFieldAppConfig'
  
  try:
      VERSION = __import__('pkg_resources') \
          .get_distribution('bitfield').version
  except Exception:
      VERSION = 'unknown'
  
subject: Fix AppConfig name