def __init__(self, data, schema=None):
        if schema is not None:
            if not os.path.exists(schema):
                logging.warning('Configuration schema could not be found. Please check the path and try again.')
                raise Exception()

            self.schemafile = schema
        else:
            self.schemafile = None

        if not os.path.exists(data):
            logging.warning('Configuration data could not be found. Please check the path and try again.')
            raise Exception()

        self.datafile = data

        self.data = None
Dumps obj private key object to string.
dataset/ETHPy150Open PublicMapping/DistrictBuilder/django/publicmapping/redistricting/__init__.py/StoredConfig.__init__--crossover with--dataset/ETHPy150Open chromium/web-page-replay/certutils.py/_dump_privatekey