code: def __init__(self, model, trees, base_score=0.0, tree_limit=None):
      super().__init__(model, trees, base_score=base_score)
      assert (
          tree_limit is None or tree_limit > 0
      ), "Unexpected tree limit"
      self._tree_limit = tree_limit
  
imports: import json
  import math
  import numpy
  from m2cgen import ast
  from m2cgen.assemblers import utils
  from m2cgen.assemblers.base import ModelAssembler
  from m2cgen.assemblers.linear import _linear_to_ast
label_desc: Use image node_id 1 to create a new BaseTreeBoostingAssembler object from inherited base classes: BaseBoostingAssembler with example: obj = BaseTreeBoostingAssembler(model, trees, base_score, tree_limit)