def get_default_pants_config_file():
  return os.path.join(get_buildroot(), 'pants.ini')
Called when a tree item is about to collapse.
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/base/build_environment.py/get_default_pants_config_file--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/viewer/tree_viewer.py/TreeViewer._on_tree_item_collapsing