From 37ba185c0419f706bd43e4de2f56f2fa7d1b74f3 Mon Sep 17 00:00:00 2001
From: GiGaGon <107241144+MeGaGiGaGon@users.noreply.github.com>
Date: Wed, 2 Jul 2025 08:49:54 -0700
Subject: [PATCH] [`flake8-pyi`] Make example error out-of-the-box (`PYI059`)
 (#19080)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
---
 .../rules/generic_not_last_base_class.rs      | 28 ++++++++++++++++---
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/crates/ruff_linter/src/rules/flake8_pyi/rules/generic_not_last_base_class.rs b/crates/ruff_linter/src/rules/flake8_pyi/rules/generic_not_last_base_class.rs
index 7a94219cdc..19565abd56 100644
--- a/crates/ruff_linter/src/rules/flake8_pyi/rules/generic_not_last_base_class.rs
+++ b/crates/ruff_linter/src/rules/flake8_pyi/rules/generic_not_last_base_class.rs
@@ -21,27 +21,47 @@ use crate::{Fix, FixAvailability, Violation};
 ///
 /// For example:
 /// ```python
+/// from collections.abc import Container, Iterable, Sized
+/// from typing import Generic, TypeVar
+///
+///
+/// T = TypeVar("T")
+/// K = TypeVar("K")
+/// V = TypeVar("V")
+///
+///
 /// class LinkedList(Generic[T], Sized):
 ///     def push(self, item: T) -> None:
 ///         self._items.append(item)
 ///
+///
 /// class MyMapping(
 ///     Generic[K, V],
-///     Iterable[Tuple[K, V]],
-///     Container[Tuple[K, V]],
+///     Iterable[tuple[K, V]],
+///     Container[tuple[K, V]],
 /// ):
 ///     ...
 /// ```
 ///
 /// Use instead:
 /// ```python
+/// from collections.abc import Container, Iterable, Sized
+/// from typing import Generic, TypeVar
+///
+///
+/// T = TypeVar("T")
+/// K = TypeVar("K")
+/// V = TypeVar("V")
+///
+///
 /// class LinkedList(Sized, Generic[T]):
 ///     def push(self, item: T) -> None:
 ///         self._items.append(item)
 ///
+///
 /// class MyMapping(
-///     Iterable[Tuple[K, V]],
-///     Container[Tuple[K, V]],
+///     Iterable[tuple[K, V]],
+///     Container[tuple[K, V]],
 ///     Generic[K, V],
 /// ):
 ///     ...