code: def removeHandler(method=None):
      if method is not None:
  
          @wraps(method)
          def inner(*args, **kwargs):
              initial = signal.getsignal(signal.SIGINT)
              removeHandler()
              try:
                  return method(*args, **kwargs)
              finally:
                  signal.signal(signal.SIGINT, initial)
  
          return inner
  
      global _interrupt_handler
      if _interrupt_handler is not None:
          signal.signal(
              signal.SIGINT, _interrupt_handler.original_handler
          )
  
file_path: catboost/contrib/tools/python3/src/Lib/unittest/signals.py
imports: import signal
  import weakref
  from functools import wraps
label_desc: Use image node_id 4 for calling a global function with example usage: removeHandler(method) and returns: inner, method