MAINT: Add missing annotations for IS_PYSTON

Bas van Beek · Bas van Beek · commit 3930aea7cb33 · 2021-11-05T11:11:28.000+01:00
diff --git a/numpy/testing/_private/utils.pyi b/numpy/testing/_private/utils.pyi
@@ -133,6 +133,7 @@ class suppress_warnings:
 
 verbose: int
 IS_PYPY: Final[bool]
+IS_PYSTON: Final[bool]
 HAS_REFCOUNT: Final[bool]
 HAS_LAPACK64: Final[bool]
 
