[llvm] [MLGO] Add pytype test (PR #79558)

[Aiden Grossman via llvm-commits]

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@@ -0,0 +1,4 @@
+# REQUIRES: system-linux, has-pytype
+
+# RUN: pytype %S/../mlgo
+# RUN: pytype %S/../tests
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boomanaiden154 wrote:

That's only if we run `FileCheck`. Here we don't need to because we don't care about the command output, only the return code. If it's not zero, lit will fail the test.

https://github.com/llvm/llvm-project/pull/79558