def _tool_path(ostool):
    return salt.utils.which(ostool)
upgrade a single file
dataset/ETHPy150Open saltstack/salt/salt/modules/bridge.py/_tool_path--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/pymel/tools/upgradeScripts.py/upgradeFile