human
Complete the below
def _parse_args(fun):

    ''''Wraps function arguments:
    if fileids not specified then function set NKJPCorpusReader paths.'
    '''

=====
Can you provide a the Python code you requested?
assistant
#Here is the Python code you requested.
    @functools.wraps(fun)
    def decorator(self, fileids=None, **kwargs):
        if (not fileids):
            fileids = self._paths
        return fun(self, fileids, **kwargs)
    return decorator