class_docstr: A field that raises an exception indicating that the
  field was invalid.
  
  Parameters
  ----------
  field : str
      The name of the field.
  type_ : dshape
      The shape of the field.
class_docstr_tok: ["A","field","that","raises","an","exception","indicating","that","the","field","was","invalid",".","Parameters","--","--","--","--","--","field",":","str","The","name","of","the","field",".","type_",":","dshape","The","shape","of","the","field","."]
code: def __get__(self, instance, owner):
      raise AttributeError(
          self.error_format.format(field=self._field, type_=self._type),
      )
  
imports: from __future__ import division, absolute_import
  from abc import ABCMeta, abstractproperty
  from collections import namedtuple, defaultdict
  from functools import partial
  from itertools import count
  import warnings
  from weakref import WeakKeyDictionary
  import blaze
  from datashape import Date, DateTime, Option, isrecord, isscalar
  import numpy
  from odo import odo
  import pandas
  from six import with_metaclass, PY2, itervalues, iteritems
  from toolz import complement, compose, flip, groupby, identity, memoize, merge
  import toolz.curried.operator
  from catalyst.pipeline.common import AD_FIELD_NAME, SID_FIELD_NAME, TS_FIELD_NAME
  from catalyst.pipeline.data.dataset import DataSet, Column
  from catalyst.pipeline.loaders.utils import check_data_query_args, last_in_date_group, normalize_data_query_bounds, normalize_timestamp_to_query_time, ffill_across_cols
  from catalyst.pipeline.sentinels import NotSpecified
  from catalyst.lib.adjusted_array import AdjustedArray, can_represent_dtype
  from catalyst.lib.adjustment import make_adjustment_from_indices, OVERWRITE
  from catalyst.utils.input_validation import expect_element, ensure_timezone, optionally
  from catalyst.utils.numpy_utils import bool_dtype
  from catalyst.utils.pool import SequentialPool
  from catalyst.utils.preprocess import preprocess
label_desc: Use image node_id 3 for calling the InvalidField obj's underlying member method code with example usage: obj.__get__(instance, owner) without return types