def __repr__(self):
     """
     Fields are represented using their initial calling arguments.
     This allows us to create descriptive representations for serializer
     instances that show all the declared fields on the serializer.
     """
     return unicode_to_repr(representation.field_repr(self))

 def __repr__(self):
     return unicode_to_repr('<%s(queryset=%s, field=%s, date_field=%s)>' % (
         self.__class__.__name__,
         smart_repr(self.queryset),
         smart_repr(self.field),
         smart_repr(self.date_field)
     ))

 def __repr__(self):
     return unicode_to_repr('<%s value=%s errors=%s>' % (
         self.__class__.__name__, self.value, self.errors
     ))

 def __repr__(self):
     return unicode_to_repr(representation.list_repr(self, indent=1))

 def __repr__(self):
     return unicode_to_repr('ErrorDetail(string=%r, code=%r)' % (
         six.text_type(self),
         self.code,
     ))