Add changelog file.

vinaycalastry · Dec 11, 2019 · c821b02 · c821b02
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commit c821b02
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/changelog/6255.bugfix.rst b/changelog/6255.bugfix.rst
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+Clear the ``sys.last_traceback``, ``sys.last_type`` and ``sys.last_value``
+attributes by deleting them instead of setting them to ``None``. This better
+matches the behaviour of the Python standard library.