old_contents: from djoser.conf import settings
  
  try:
      from django.contrib.auth.password_validation import validate_password
  except ImportError:
      from password_validation import validate_password
  
  
  def get_user_email(user):
      email_field_name = get_user_email_field_name(user)
      return getattr(user, email_field_name, None)
  
  
  def get_user_email_field_name(user):
      try:  # Assume we are Django >= 1.11
          return user.get_email_field_name()
      except AttributeError:  # we are using Django < 1.11
          return settings.USER_EMAIL_FIELD_NAME
  
new_contents: from djoser.conf import settings
  
  try:
      from django.contrib.auth.password_validation import validate_password
  except ImportError:
      from password_validation import validate_password
  
  __all__ = ['settings', 'validate_password']
  
  
  def get_user_email(user):
      email_field_name = get_user_email_field_name(user)
      return getattr(user, email_field_name, None)
  
  
  def get_user_email_field_name(user):
      try:  # Assume we are Django >= 1.11
          return user.get_email_field_name()
      except AttributeError:  # we are using Django < 1.11
          return settings.USER_EMAIL_FIELD_NAME
  
subject: Fix compat F401 with __all__