bpo-31304: Update starmap_async documentation. (GH-4168) (GH-4177)

bpo-31304: Update starmap_async documentation. (GH-4168) (GH-4177) · python/cpython@2702380

Original file line number	Diff line number	Diff line change
@@ -2165,7 +2165,7 @@ with the :class:`Pool` class.
`2165`	`2165`
`2166`	`2166`	`.. versionadded:: 3.3`
`2167`	`2167`
`2168`		`- .. method:: starmap_async(func, iterable[, chunksize[, callback[, error_back]]])`
	`2168`	`+ .. method:: starmap_async(func, iterable[, chunksize[, callback[, error_callback]]])`
`2169`	`2169`
`2170`	`2170`	A combination of :meth:`starmap` and :meth:`map_async` that iterates over
`2171`	`2171`	`iterable of iterables and calls func with the iterables unpacked.`