You can start multiple threads within the same process that don't use an event loop, but run preemptively nonetheless, which will introduce GIL to the thread with an event loop. For instance, you can have a ThreadPoolExecutor running in the same process as the thread with an instantiated event loop.
then she's definitely your uncle and you had better double-check her pronoun, because ThreadPoolExecutor exists for a reason, and it's widely used in pair with run_in_executor() [1], and the pool itself can be shared with other non-executor-related tasks scheduled to run preemptively.
