code: def calculate_score(self, inp):
      if Config.is_debug:
          if Config.level == 0:
              print("=====================")
          print((" " * Config.level) + str(self))
          Config.level += 1
      if self.node_type == GBDTNode.NODE_TYPE_LEAF:
          retval = self.value
      elif self.node_type == GBDTNode.NODE_TYPE_INT:
          inpval = inp[self.node_name]
          if inpval < self.value:
              retval = self.left.calculate_score(inp)
          else:
              retval = self.right.calculate_score(inp)
      elif self.node_type == GBDTNode.NODE_TYPE_INDICATOR:
          strkey, strval = self.node_name.split("=")
          inpval = str(inp[strkey])
          if inpval == strval:
              retval = self.left.calculate_score(inp)
          else:
              retval = self.right.calculate_score(inp)
      if Config.is_debug:
          Config.level -= 1
      return retval
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import turicreate
  import unittest
  import json
  import random
  import numpy
  import pytest
label_desc: Use image node_id 7 for calling the GBDTNode obj's underlying member method code with example usage: obj.calculate_score(inp) and returns: retval