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I think something else is happening here.
If you verified the processes do not run anymore (e.g. look via ps
), they cannot give a reply because the binary just does not exist. The problem just linked is based on the fact that the master doesn't unregister nodes, so if the binary is gone, that can't be it.
I'd probably look into what the python API gives you or specifies, i.e. why do you still get the same replies. If it caches (and should) that's desired behavior. If it should contact the master to get that kind of info, something seems buggy.