def undo_checkout(repository_path, vss_project_path, local_path, ss_path=None):
"""
Undo a checkout of a VSS project to the specified local directory.
Return the standard output.
"""
vss = VSS(repository_path, ss_path)
return vss.undo_checkout(vss_project_path, recursive=True, get_folder=local_path, output='error')
