old_contents: from django.db import models
  
  
  class CounterField(models.IntegerField):
      def __init__(self, *args, **kwargs):
          kwargs['default'] = kwargs.get('default', 0)
          super(CounterField, self).__init__(*args, **kwargs)
  
  try:
      from south.modelsinspector import add_introspection_rules
  except ImportError:
      pass
  else:
      add_introspection_rules([], ["^pomoji\.django_counter_field\.fields\.CounterField"])
  
new_contents: from django.db import models
  
  
  class CounterField(models.IntegerField):
      """
      CounterField wraps the standard django IntegerField. It exists primarily to allow for easy validation of
      counter fields. The default value of a counter field is 0.
      """
      def __init__(self, *args, **kwargs):
          kwargs['default'] = kwargs.get('default', 0)
          super(CounterField, self).__init__(*args, **kwargs)
  
  try:
      from south.modelsinspector import add_introspection_rules
  except ImportError:
      pass
  else:
      add_introspection_rules([], ["^django_counter_field\.fields\.CounterField"])
  
subject: Fix bug in introspection rule