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sphinx/qapidoc: Tidy up pylint warning raise-missing-from

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Pylint advises:

    docs/sphinx/qapidoc.py:518:12: W0707: Consider explicitly re-raising using 'raise ExtensionError(str(err)) from err' (raise-missing-from)

>From its manual:

    Python's exception chaining shows the traceback of the current
    exception, but also of the original exception.  When you raise a
    new exception after another exception was caught it's likely that
    the second exception is a friendly re-wrapping of the first
    exception.  In such cases `raise from` provides a better link
    between the two tracebacks in the final error.

Makes sense, so do it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20231025092159.1782638-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Markus Armbruster 2023-10-25 11:21:59 +02:00
parent 6d133eef98
commit c375f05ef5
1 changed files with 1 additions and 1 deletions
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2
docs/sphinx/qapidoc.py
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@ -515,7 +515,7 @@ class QAPIDocDirective(Directive):
except QAPIError as err:
# Launder QAPI parse errors into Sphinx extension errors
# so they are displayed nicely to the user
raise ExtensionError(str(err))
raise ExtensionError(str(err)) from err
def do_parse(self, rstlist, node):
"""Parse rST source lines and add them to the specified node