code: def call(self, x):
      if self.mode == "foo":
          return x
      return self.alpha * x
  
imports: import numpy
  from keras import backend
  from keras import testing
  from keras.backend.common import keras_tensor
  from keras.ops import numpy
  from keras.ops import operation
label_desc: Use image node_id 2 for calling the OpWithCustomConstructor obj's underlying member method code with example usage: obj.call(x) and returns: unknown, x