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I’ve been keeping an eye on this but haven’t had the chance to try it out. Anyone have first hand experience of how it compares to pyright in reality? Now that

• andenacitelli 3y ago
  I haven't actually tried it out, but have done a bit of research in the name of scoping a competing product, and my verdict is that it's probably too immature to be worth production usage. It also makes the design decision to delegate most of the actual hard work (the type checking) to the type checker of Erg, a strongly typed superset of Python, which leaves a lot of decisions and agency out of the purview of Pylyzer itself. There will always be limitations that can only be resolved upstream. Granted, maybe there's value in this just being a wrapper, and it's best to just deduplicate the work. However, it just sits a little wrong to me that it's not type checking Python, it's doing a transpilation step of sorts and type checking that.