From 04db204919926fcbfcceb3e9da97c811858907ad Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Sat, 22 Jan 2022 08:44:10 -0800
Subject: [PATCH] single-element tuple

---
 pyi.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pyi.py b/pyi.py
index b81af91d..e07814f9 100644
--- a/pyi.py
+++ b/pyi.py
@@ -514,6 +514,8 @@ def visit_Subscript(self, node: ast.Subscript) -> None:
         if isinstance(node.slice, ast.Tuple):
             self._visit_slice_tuple(node.slice, value_id)
         else:
+            if value_id in ("Tuple", "tuple"):
+                self.error(node, Y032)
             self.visit(node.slice)
 
     def _visit_slice_tuple(self, node: ast.Tuple, parent: str | None) -> None:
@@ -934,3 +936,4 @@ def parse_options(cls, optmanager, options, extra_args):
 Y028 = "Y028 Use class-based syntax for NamedTuples"
 Y029 = "Y029 Defining __repr__ or __str__ in a stub is almost always redundant"
 Y030 = "Y030 Multiple Literal members in a union. {suggestion}"
+Y032 = "Y032 Single-element tuple"