in confidence/errors.py [0:0]
def __init__(self, error_message: typing.Optional[str] = None):
"""
Constructor for the TargetingKeyMissingError. The error code for this type of
exception is ErrorCode.TARGETING_KEY_MISSING.
@param error_message: a string message representing why the error has been
raised
"""
super().__init__(ErrorCode.TARGETING_KEY_MISSING, error_message)