code: def _bias_scale(x, b, data_format):
      """The multiplication counter part of tf.nn.bias_add."""
      if data_format == "NHWC":
          return x * b
      elif data_format == "NCHW":
          return x * b
      else:
          raise ValueError("invalid data_format: %s" % data_format)
  
imports: import tensorflow
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.training import moving_averages
  import tensorlayer
  from tensorlayer import logging
  from tensorlayer.layers.core import Layer
label_desc: Use image node_id 2 for calling a global function with example usage: _bias_scale(x, b, data_format) and returns: unknown, unknown