code: def __call__(self, x):
      if self.preprocessor:
          return self.predict_fcn(self.preprocessor.transform(x))
      return self.predict_fcn(x)
  
file_path: alibi/alibi/utils/wrappers.py
imports: import numpy
  from functools import singledispatch, update_wrapper
label_desc: Use image node_id 2 for calling the Predictor obj's underlying member method code with example usage: obj.__call__(x) and returns: self, self