def METHOD_NAME(self, table, pkey):
    if isinstance(pkey, int):
        pkey = str(pkey)
    data = {
            'singleUseTransaction': {'readWrite': {}},
            "mutations": [
                        {
                        'delete': {
                            'table': table, 
                            'keySet': {'keys': [[pkey]]},
                            }
                        }
                ]
            }
    request = requests.post(
                url=self.sessioned_url+':commit',
                json=data,
                headers=self.headers
                )
    return  request.json()