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

[Mircea Trofin 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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mtrofin wrote:

don't you need a `CHECK` to make lit happy?

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