()
return _wf
Return Workflow object for this module.

    Returns:
        workflow.Workflow: Workflow object for current workflow.
Return Workflow object for this module.
Return Workflow object for this module .
def wf():
    """Return Workflow object for this module.

    Returns:
        workflow.Workflow: Workflow object for current workflow.
    """
    global _wf
    if _wf is None:
        _wf = workflow.Workflow()
    return _wf
def wf ( ) : global _wf if _wf is None : _wf = workflow . Workflow ( ) return _wf