def get_prep_lookup(self):
    """Raise errors for unsupported lookups"""
    raise FieldError("{} '{}' does not support lookups".format(
        self.lhs.field.__class__.__name__, self.lookup_name))
def get_prep_lookup ( self ) : raise FieldError ( "{} '{}' does not support lookups" . format ( self . lhs . field . __class__ . __name__ , self . lookup_name ) )
Raise errors for unsupported lookups