From 039e6fe6919341dbfd864c4a406d35389c8e2992 Mon Sep 17 00:00:00 2001
From: Andrey Rakhmatullin <wrar@wrar.name>
Date: Mon, 16 Dec 2019 20:17:41 +0500
Subject: [PATCH] Refactor install_asyncio_reactor slightly.

---
 scrapy/utils/asyncio.py | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/scrapy/utils/asyncio.py b/scrapy/utils/asyncio.py
index b5d5f92d9..b53c8a8b0 100644
--- a/scrapy/utils/asyncio.py
+++ b/scrapy/utils/asyncio.py
@@ -1,3 +1,8 @@
+from contextlib import suppress
+
+from twisted.internet.error import ReactorAlreadyInstalledError
+
+
 def install_asyncio_reactor():
     """ Tries to install AsyncioSelectorReactor
     """
@@ -5,13 +10,10 @@ def install_asyncio_reactor():
         import asyncio
         from twisted.internet import asyncioreactor
     except ImportError:
-        pass
-    else:
-        from twisted.internet.error import ReactorAlreadyInstalledError
-        try:
-            asyncioreactor.install(asyncio.get_event_loop())
-        except ReactorAlreadyInstalledError:
-            pass
+        return
+
+    with suppress(ReactorAlreadyInstalledError):
+        asyncioreactor.install(asyncio.get_event_loop())
 
 
 def is_asyncio_reactor_installed():