From e575f4444657261cfec39b977f3efbdf0e34961c Mon Sep 17 00:00:00 2001
From: Pawel Miech <pawelmhm@gmail.com>
Date: Mon, 8 Jun 2015 10:52:42 +0200
Subject: [PATCH] [settings/default_settings.py] dont retry 400

As in HTTP specs:

"10.4.1 400 Bad Request

The request could not be understood by the server due to malformed
syntax. The client SHOULD NOT repeat the request without
modifications."

Scrapy should not retry 400 by default.
---
 scrapy/settings/default_settings.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py
index 0ea014007..62c3e4c94 100644
--- a/scrapy/settings/default_settings.py
+++ b/scrapy/settings/default_settings.py
@@ -209,7 +209,7 @@ REFERER_ENABLED = True
 
 RETRY_ENABLED = True
 RETRY_TIMES = 2  # initial response + 2 retries = 3 requests
-RETRY_HTTP_CODES = [500, 502, 503, 504, 400, 408]
+RETRY_HTTP_CODES = [500, 502, 503, 504, 408]
 RETRY_PRIORITY_ADJUST = -1
 
 ROBOTSTXT_OBEY = False