class_docstr: Wraps an McBackend ``Chain`` as an ``IBaseTrace``.
class_docstr_tok: ["Wraps","an","McBackend","``","Chain","``","as","an","``","IBaseTrace","``","."]
code: def point(self, idx: int) -> Dict[str, np.ndarray]:
      return self._chain.get_draws_at(
          idx, [v.name for v in self._chain.variables.values()]
      )
  
imports: import base64
  import logging
  import pickle
  from typing import Any, Dict, List, Mapping, Optional, Sequence, Tuple, Union, cast
  import hagelkorn
  import mcbackend
  import numpy
  from mcbackend.npproto.utils import ndarray_from_numpy
  from pytensor.compile.sharedvalue import SharedVariable
  from pytensor.graph.basic import Constant
  from pymc.backends.base import IBaseTrace
  from pymc.model import Model
  from pymc.pytensorf import PointFunc
  from pymc.step_methods.compound import BlockedStep, CompoundStep, StatsBijection, check_step_emits_tune, flat_statname, flatten_steps
label_desc: Use image node_id 8 for calling the ChainRecordAdapter obj's underlying member method code with example usage: obj.point(idx) and returns: self