docstr: Try to match a single stored value (dv) with a supplied value (v).
docstr_tok: ["Try","to","match","a","single","stored","value","(","dv",")","with","a","supplied","value","(","v",")","."]
code: def match_value(self, k, dv, v):
      """
      Try to match a single stored value (dv) with a supplied value (v).
      """
      if isinstance(v, type(dv)):
          result = False
      elif not isinstance(dv, str) or k not in self._partial_matches:
          result = v == dv
      else:
          result = dv.find(v) >= 0
      return result
  
imports: import contextlib
  import shutil
  import tempfile
  import warnings
  from logging.handlers import BufferingHandler
  import numpy
  import numpy.random
  import pytensor
  from numpy.testing import assert_array_less
  from pytensor.gradient import verify_grad
  import pymc
  from pymc.testing import fast_unstable_sampling_mode
  from tests.models import mv_simple, mv_simple_coarse
label_desc: Use image node_id 2 for calling the Matcher obj's underlying member method code with example usage: obj.match_value(k, dv, v) and returns: result