code: def assert_xgboost_installed():
      assert (
          xgboost_installed()
      ), "To convert XGBoost models you need to install XGBoost (or `python -m pip install hummingbird-ml[extra]`)."
  
imports: from packaging.version import Version, parse
  from types import ModuleType
  import numpy
  import torch
  import os
  import warnings
  import shutil
  from hummingbird.ml.exceptions import ConstantError
label_desc: Use image node_id 14 for calling a global function with example usage: assert_xgboost_installed() without return types