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Add minor clarification in logging documentation. (GH-22167)

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Vinay Sajip 2020-09-09 11:21:22 +01:00 • committed by GitHub
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Doc/library/logging.rst
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@ -575,9 +575,9 @@ The useful mapping keys in a :class:`LogRecord` are given in the section on
pickled and sent across the wire, but you should be careful if you have
more than one :class:`Formatter` subclass which customizes the formatting
of exception information. In this case, you will have to clear the cached
value after a formatter has done its formatting, so that the next
formatter to handle the event doesn't use the cached value but
recalculates it afresh.
value (by setting the *exc_text* attribute to ``None``) after a formatter
has done its formatting, so that the next formatter to handle the event
doesn't use the cached value, but recalculates it afresh.
If stack information is available, it's appended after the exception
information, using :meth:`formatStack` to transform it if necessary.