code: def conf_int(self):
      return [
          (0.5395, 1.0460),
          (0.3575, 1.7397),
          (-0.4271, 0.1599),
          (-63.2213, -18.5423),
      ]
  
imports: import numpy
label_desc: Use image node_id 2 for calling the AndrewsHuber obj's underlying member method code with example usage: obj.conf_int() and returns: list