code: def gelu(x):
      return (
          0.5
          * x
          * (
              1
              + tf.tanh(
                  np.sqrt(2 / np.pi) * (x + 0.044715 * tf.pow(x, 3))
              )
          )
      )
  
imports: import numpy
  import tensorflow
label_desc: Use image node_id 4 for calling a global function with example usage: gelu(x) and returns: unknown