def __init__(self, schemas):
        """Initializes an error-union schema.

        Args:
          schema: collection of error schema.
        """
        # Prepend "string" to handle system errors
        schemas = [PrimitiveSchema(data_type=STRING)] + list(schemas)
        super(ErrorUnionSchema, self).__init__(schemas=schemas)
Initializes an error-union schema.

        Args:
          schema: collection of error schema.
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/azure/storage/blob/_shared/avro/schema.py