human
Complete this python program:
def cwd_at(path):
assistant
#Here is the Python program you requested.

    """Decorator to run function at `path`.
    :type path: str
    :arg  path: relative path from repository root (e.g., ``\jedi\``).
    """
    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kwds):
            with set_cwd(path):
                return func(*args, **kwds)
        return wrapper
    return decorator