def __init__(self, *args, **kwargs):
    super(ExternalFileField, self).__init__(*args, **kwargs)
    self.widget.attrs.update({'data-external-upload': 'true'})
def __init__(self, *args, **kwargs):
    super(ExternalFileField, self).__init__(*args, **kwargs)
    self.widget.attrs.update({'data-external-upload': 'true'})