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

    """Since Flask 0.8 we\re monkeypatching the files object in case a
    request is detected that does not use multipart form data but the files
    object is accessed.
    """
    oldcls = request.files.__class__
    class newcls(oldcls, ):
        def __getitem__(self, key):
            try:
                return oldcls.__getitem__(self, key)
            except KeyError:
                if (key not in request.form):
                    raise
                raise DebugFilesKeyError(request, key)
    newcls.__name__ = oldcls.__name__
    newcls.__module__ = oldcls.__module__
    request.files.__class__ = newcls