code: def swish(x, beta=1):
      return x * keras.backend.sigmoid(beta * x)
  
file_path: keras-ocr/keras_ocr/recognition.py
imports: import typing
  import string
  import tensorflow
  from tensorflow import keras
  import numpy
  import cv2
  from .None import tools
label_desc: Use image node_id 1 for calling a global function with example usage: swish(x, beta) and returns: unknown