From 4c4f99971736605776f384b0ca04ce4ab7b84fb7 Mon Sep 17 00:00:00 2001
From: Maxime Arthaud <arthaud@meta.com>
Date: Mon, 20 Oct 2025 15:17:08 +0200
Subject: [PATCH] Add explicit definition for __repr__ and __str__ in
 BaseException (#14900)

---
 stdlib/builtins.pyi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index 969d16876..1bc464933 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -2058,6 +2058,10 @@ class BaseException:
     def __new__(cls, *args: Any, **kwds: Any) -> Self: ...
     def __setstate__(self, state: dict[str, Any] | None, /) -> None: ...
     def with_traceback(self, tb: TracebackType | None, /) -> Self: ...
+    # Necessary for security-focused static analyzers (e.g, pysa)
+    # See https://github.com/python/typeshed/pull/14900
+    def __str__(self) -> str: ...  # noqa: Y029
+    def __repr__(self) -> str: ...  # noqa: Y029
     if sys.version_info >= (3, 11):
         # only present after add_note() is called
         __notes__: list[str]