code: def finfo(dtype):
      """Returns properties of floating point types.
  
      Note that currently it just forwards to the numpy namesake, while tensorflow
      and numpy dtypes may have different properties.
  
      Args:
        dtype: Could be a python type, a numpy type or a TF DType.
  
      Returns:
        A class describing properties of `dtype`, as described by
        https://docs.scipy.org/doc/numpy/reference/generated/numpy.finfo.html
      """
      return np.finfo(_to_numpy_type(dtype))
  
imports: import funcsigs
  import numpy
  import tensorflow.compat.v2
  from trax.tf_numpy.numpy_impl import arrays
  from trax.tf_numpy.numpy_impl import dtypes
label_desc: Use image node_id 5 for calling a global function with example usage: finfo(dtype) and returns: np