She's talking about green threads which is different from regular threading in python. Under nodejs/python style green threads only IO calls are concurrent to a single computation task. There is no parallelism under both styles of threading unless you count concurrent IO as parallel.
She is basically complaining about a pattern that was popularized by NodeJS and emulated in python by older libraries like gevent, twisted and tornado. Currently python3 uses keywords async/await as an API around the same concepts implemented in the older libraries.
In the case of the article, you are correct. I have a slightly different case where I'm wrapping scikit-learn model. We're NOT just calling another service and waiting for a response, we're doing computation, in Python. So the GIL is actually a problem.
She is basically complaining about a pattern that was popularized by NodeJS and emulated in python by older libraries like gevent, twisted and tornado. Currently python3 uses keywords async/await as an API around the same concepts implemented in the older libraries.
This has nothing to do with GIL.
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