* backports-abc: For old Python versions.
* backports.ssl-match-hostname: For old Python versions.
* docopt: Has never been used directly.
* gitdb: Has never been used directly.
* ndg-httpsclient: No longer used by requests ≥ 2.12.1.
* pycrypto: Has never been used directly.
* smmap: Has never been used directly.
* typing: For old Python versions.
* typing_extensions: For old Python versions.
PROVISION_VERSION is not bumped because these were already unused
since at least the last major bump.
Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
Broaden the type of the AbstractEnum __reduce_ex__ parameter to object; this
matches the parameter type specified in the latest enum.pyi file in typeshed.
Fixes#10996.
This commit renames various source requirements files like `dev.txt`,
`mypy.txt` etc to `dev.in`, `mypy.in` etc and various locked requirements
files like `dev_lock.txt`, `mypy_lock.txt` etc to `dev.txt`, `mypy.txt`
etc. This will help in emphasizing to the user that *.in are actually
input to `update-locked-requirements` tool which should be run after
updating any of these.