code: def onlyif_any_cmd_exists(*commands):
      """
      Decorator to skip test unless at least one of `commands` is found.
      """
      for cmd in commands:
          if which(cmd):
              return null_deco
      return skip(
          "This test runs only if one of the commands {0} "
          "is installed".format(commands)
      )
  
file_path: catboost/contrib/python/ipython-genutils/py3/ipython_genutils/testing/decorators.py
imports: import sys
  import os
  import tempfile
  import unittest
  from ..py3compat import string_types, which
label_desc: Use image node_id 10 for calling a global function with example usage: onlyif_any_cmd_exists() and returns: skip, null_deco