code: def call(self, x):
      return self.static_call(
          x,
          negative_slope=self.negative_slope,
          max_value=self.max_value,
          threshold=self.threshold,
      )
  
imports: from keras import backend
  from keras import ops
  from keras.api_export import keras_export
label_desc: Use image node_id 2 for calling the ReLU obj's underlying member method code with example usage: obj.call(x) and returns: self