class_docstr: A validator was asked to validate an instance against an unknown type.
class_docstr_tok: ["A","validator","was","asked","to","validate","an","instance","against","an","unknown","type","."]
code: def __unicode__(self):
      pschema = pprint.pformat(self.schema, width=72)
      pinstance = pprint.pformat(self.instance, width=72)
      return (
          textwrap.dedent(
              """
              Unknown type %r for validator with schema:
              %s
  
              While checking instance:
              %s
              """.rstrip()
          )
          % (
              self.type,
              _utils.indent(pschema),
              _utils.indent(pinstance),
          )
      )
  
imports: from collections import defaultdict, deque
  import itertools
  import pprint
  import textwrap
  import attr
  from jsonschema import _utils
  from jsonschema.compat import PY3, iteritems
label_desc: Use image node_id 2 for calling the UnknownType obj's underlying member method code with example usage: obj.__unicode__() and returns: unknown