Issue #21058: Fix a leak of file descriptor in tempfile.NamedTemporaryFile(),
close the file descriptor if io.open() fails
(Merge 3.4) Issue #21058: Fix a leak of file descriptor in
tempfile.NamedTemporaryFile(), close the file descriptor if io.open() fails
Closes #18456: Doc fix: PyDict_Update only works with dict-like objects, not key-value sequences. Patch by priyapappachan.
merge with 3.4
Issue #21006: asyncio doc: reorganize subprocess doc
(Merge 3.4) Issue #21006: asyncio doc: reorganize subprocess doc
Closes #21045: make the Qt help build not look completely stupid
merge with 3.4
Updated external link in documentation.
Merged documentation update from 3.4.