Thanks for the Diff. I started reviewing the Diff, and I have a bunch of comments, see below.
Many of these comments apply to other parts of the diff as well, please fix these as well.

Just one comment:

python-cassandra too has some un-unpicklable errors:

fix naive datetime support

add tests.

add type

T2287

apply comments

fix type

In D2663#63709, @olasd wrote:

I guess this is the minimal step to unbreak the logic

rebase

@zack @seirl Could either of you have a look too?

As noargs and post_only have the same effect, what about using a single argument for both, that signals a new view should be created?

rebase

Don't worry about the test failures, they are not related to your changes. I just restarted them.

I fixed the build issue in master, and retriggered the builds of this diff. The errors should disappear.

Don't worry about the build failure, it's temporary and not related to your changes

Could you add a test for this, to prevent regressions in the future?

rebase

rebase

I'm missing context on what this code scanner does, so I'm only commenting on documentation for now.