From 88757510c1cb42becfd7ad8682fe670f9d7a3b5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Vask=C3=B3?=
 <1771332+vlaci@users.noreply.github.com>
Date: Tue, 21 Jan 2025 15:28:15 +0100
Subject: [PATCH] chore: help pyright 1.1.392 figure out the correct typing of
 pairwise

This unblocks #1082
---
 unblob/iter_utils.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/unblob/iter_utils.py b/unblob/iter_utils.py
index 240c3415ff..fe92441c5b 100644
--- a/unblob/iter_utils.py
+++ b/unblob/iter_utils.py
@@ -1,7 +1,11 @@
 import itertools
+from collections.abc import Iterable, Iterator
+from typing import TypeVar
 
+T = TypeVar("T")
 
-def pairwise(iterable):
+
+def pairwise(iterable: Iterable[T]) -> Iterator[tuple[T, T]]:
     # Copied from Python 3.10
     # pairwise('ABCDEFG') --> AB BC CD DE EF FG
     a, b = itertools.tee(iterable)