From e425571b08bb319299eec644878cac55a201d739 Mon Sep 17 00:00:00 2001
From: yanyongyu <yanyongyu_1@126.com>
Date: Fri, 2 Apr 2021 01:17:33 +0800
Subject: [PATCH] :bug: fix protocol not found in  py37

---
 nonebot/adapters/_base.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nonebot/adapters/_base.py b/nonebot/adapters/_base.py
index f4290c36..458b037f 100644
--- a/nonebot/adapters/_base.py
+++ b/nonebot/adapters/_base.py
@@ -9,9 +9,10 @@ import abc
 import asyncio
 from copy import copy
 from functools import reduce, partial
+from typing_extensions import Protocol
 from dataclasses import dataclass, field
 from typing import (Any, Set, Dict, Union, TypeVar, Mapping, Optional, Iterable,
-                    Protocol, Awaitable, TYPE_CHECKING)
+                    Awaitable, TYPE_CHECKING)
 
 from pydantic import BaseModel