code: def obj_fun(x, noise_level=noise_level):
      return (
          np.sin(5 * x[0]) * (1 - np.tanh(x[0] ** 2))
          + np.random.randn() * noise_level
      )
  
file_path: scikit-optimize/examples/interruptible-optimization.py
imports: import sys
  import numpy
  import os
  from skopt import gp_minimize
  from skopt import callbacks
  from skopt.callbacks import CheckpointSaver
  from skopt import load
label_desc: Use image node_id 1 for calling a global function with example usage: obj_fun(x, noise_level) and returns: unknown