old_contents: # Provide a nicer error message than failing to import models.Index.
  
  VERSION = (0, 5, 2)
  __version__ = '.'.join(str(v) for v in VERSION)
  
  
  __all__ = ['PartialIndex', 'PQ', 'PF', 'ValidatePartialUniqueMixin', 'PartialUniqueValidationError']
  
  
  MIN_DJANGO_VERSION = (1, 11)
  DJANGO_VERSION_ERROR = 'Django version %s or later is required for django-partial-index.' % '.'.join(str(v) for v in MIN_DJANGO_VERSION)
  
  try:
      import django
  except ImportError:
      raise ImportError(DJANGO_VERSION_ERROR)
  
  if tuple(django.VERSION[:2]) < MIN_DJANGO_VERSION:
      raise ImportError(DJANGO_VERSION_ERROR)
  
  
  from .index import PartialIndex
  from .query import PQ, PF
  from .mixins import ValidatePartialUniqueMixin, PartialUniqueValidationError
  
new_contents: # Provide a nicer error message than failing to import models.Index.
  
  VERSION = (0, 6, 0)
  __version__ = '.'.join(str(v) for v in VERSION)
  
  
  __all__ = ['PartialIndex', 'PQ', 'PF', 'ValidatePartialUniqueMixin', 'PartialUniqueValidationError']
  
  
  MIN_DJANGO_VERSION = (1, 11)
  DJANGO_VERSION_ERROR = 'Django version %s or later is required for django-partial-index.' % '.'.join(str(v) for v in MIN_DJANGO_VERSION)
  
  try:
      import django
  except ImportError:
      raise ImportError(DJANGO_VERSION_ERROR)
  
  if tuple(django.VERSION[:2]) < MIN_DJANGO_VERSION:
      raise ImportError(DJANGO_VERSION_ERROR)
  
  
  from .index import PartialIndex
  from .query import PQ, PF
  from .mixins import ValidatePartialUniqueMixin, PartialUniqueValidationError
  
subject: Update package version number.