[Python-ideas] .then execution of actions following a future's completion

[Daniel Collins]

Hello all,

So, first time posting here. I’ve been bothered for a while about the lack of the ability to chain futures in python, such that the next future will execute upon the first’s completion.  So I submitted a pr to do this.  This would add the .then(self, fn) method to concurrent.futures.Future.  Thoughts?

-dancollins34

Github PR #5335
bugs.python.org <http://bugs.python.org/> issue #32672
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