def explicit_chaining():
    """
    This is the syntax to show that an exception has been caused by a previous one
    but it's not unexpected like in the previous example.
    The message used to chain the exception tracebacks in this case will be:

        The above exception was the direct cause of the following exception:

    This is useful when the original exception may contain information that can be helpful
    in debugging the issue etc.
    """
    try:
        1/0
    except Exception as ex:
        raise RuntimeError('Something') from ex

explicit_chaining()