Source code for ppc_robot_lib.utils.errors

def get_cause(exc: BaseException) -> BaseException:
    """
    Gets exception that caused the given exception (stored in ``__cause__``). If the caused is not set for the input
    exception, the exception itself will be returned.

    :param exc: Input exception.
    :return: Exception that caused the exception.
    """
    if hasattr(exc, '__cause__') and exc.__cause__:
        return exc.__cause__
    else:
        return exc