There are three keyword arguments in *kwargs* which are inspected: *exc_info*
which, if it does not evaluate as false, causes exception information to be
added to the logging message. If an exception tuple (in the format returned by
- :func:`sys.exc_info`) is provided, it is used; otherwise, :func:`sys.exc_info`
- is called to get the exception information.
+ :func:`sys.exc_info`) or an exception instance is provided, it is used;
+ otherwise, :func:`sys.exc_info` is called to get the exception information.
The second optional keyword argument is *stack_info*, which defaults to
``False``. If true, stack information is added to the logging