code: def _default_transform(op: Op, rv: TensorVariable):
      """Return default transform for a given Distribution `Op`"""
      return None
  
imports: import warnings
  from functools import singledispatch
  import numpy
  import pytensor.tensor
  from numpy.core.numeric import normalize_axis_tuple
  from pytensor.graph import Op
  from pytensor.tensor import TensorVariable
  import pymc
  from pymc.logprob.transforms import ChainedTransform, CircularTransform, IntervalTransform, LogOddsTransform, LogTransform, SimplexTransform, Transform
label_desc: Use image node_id 2 for calling a global function with example usage: _default_transform(op, rv) and returns: None