class_docstr: Keras implementation of a KL loss custom layer
class_docstr_tok: ["Keras","implementation","of","a","KL","loss","custom","layer"]
code: def build(self, input_shape):
      super().build(input_shape)
  
imports: from pathlib import Path
  import numpy
  import tensorflow
  from tensorflow.python.keras.utils import tf_utils
  from tensorflow.python.ops import math_ops
  import hls4ml
  from hls4ml.converters.keras_to_hls import parse_default_keras_layer
  from hls4ml.model.attributes import ConfigurableAttribute, TypeAttribute
  from hls4ml.model.types import FixedPrecisionType, RoundingMode, SaturationMode
label_desc: Use image node_id 1 for calling the KLLoss obj's underlying member method code with example usage: obj.build(input_shape) without return types