code: def __exit__(self, type, value, traceback):
      if self._nested_level == 1:
          self.deactivate()
      self._nested_level -= 1
      # Returning False will cause exceptions to propagate
      return False
  
file_path: catboost/contrib/python/ipython/py2/IPython/core/builtin_trap.py
imports: from traitlets.config.configurable import Configurable
  from IPython.utils.py3compat import builtin_mod, iteritems
  from traitlets import Instance
label_desc: Use image node_id 3 for calling the BuiltinTrap obj's underlying member method code with example usage: obj.__exit__(type, value, traceback) and returns: False