[jashmatthews]

> The GIL has considerable benefits: I don’t have to worry about whether Python functions are thread-safe.

Hold on, the GIL doesn't make Python automatically thread-safe!

You can still have classic data races as the VM can pause and resume two threads writing to the same variable.

[goerz]

Can you elaborate on that? Is there a blog post somewhere that illustrates the problem you're talking about? I was under the assumption that Python interpreters run single-threaded.