code: def onlyif(condition, msg):
      """The reverse from skipif, see skipif for details."""
  
      return skipif(not condition, msg)
  
file_path: catboost/contrib/python/ipython/py3/IPython/testing/decorators.py
imports: import os
  import shutil
  import sys
  import tempfile
  import unittest
  from importlib import import_module
  from decorator import decorator
  from .ipunittest import ipdoctest, ipdocstring
label_desc: Use image node_id 4 for calling a global function with example usage: onlyif(condition, msg) and returns: skipif