def content_type__get(self):
        header = self.headers.get('content-type')
        if not header:
            return None
        return header.split(';', 1)[0]
Get/set the Content-Type header (or None), *without* the
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Paste-2.0.1/paste/wsgiwrappers.py/WSGIResponse.content_type__get