[Doc] Fix a typo in optparse.rst (#103504)

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zyckk4 2023-04-18 19:21:26 +08:00 committed by GitHub
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@ -2027,7 +2027,7 @@ Features of note:
values.ensure_value(attr, value)
If the ``attr`` attribute of ``values`` doesn't exist or is ``None``, then
ensure_value() first sets it to ``value``, and then returns 'value. This is
ensure_value() first sets it to ``value``, and then returns ``value``. This is
very handy for actions like ``"extend"``, ``"append"``, and ``"count"``, all
of which accumulate data in a variable and expect that variable to be of a
certain type (a list for the first two, an integer for the latter). Using