code: def tolerance(dtype, tol=None):
      tol = {} if tol is None else tol
      if not isinstance(tol, dict):
          return tol
      tol = {np.dtype(key): value for key, value in tol.items()}
      dtype = _dtypes.canonicalize_dtype(np.dtype(dtype))
      return tol.get(dtype, default_tolerance()[dtype])
  
imports: from functools import partial
  import operator
  from jax._src import api
  from jax._src import config
  from jax._src import dtypes
  from jax._src.tree_util import tree_map, tree_reduce
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: tolerance(dtype, tol) and returns: tol, tol