From 4f98be60be700e0c0c359f3cbaa1535ae9ece7ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=CE=9D=CE=B9=CE=BA=CF=8C=CE=BB=CE=B1=CE=BF=CF=82-=CE=94?=
 =?UTF-8?q?=CE=B9=CE=B3=CE=B5=CE=BD=CE=AE=CF=82=20=CE=9A=CE=B1=CF=81=CE=B1?=
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 <digenishjkl@gmail.com>
Date: Fri, 13 Nov 2015 18:56:05 +0200
Subject: [PATCH] FormRequest: fix unicode xpath exception

---
 scrapy/http/request/form.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py
index 8ff394602..948ad05c9 100644
--- a/scrapy/http/request/form.py
+++ b/scrapy/http/request/form.py
@@ -85,7 +85,8 @@ def _get_form(response, formname, formid, formnumber, formxpath):
                 el = el.getparent()
                 if el is None:
                     break
-        raise ValueError('No <form> element found with %s' % formxpath)
+        encoded = formxpath if six.PY3 else formxpath.encode('unicode_escape')
+        raise ValueError('No <form> element found with %s' % encoded)
 
     # If we get here, it means that either formname was None
     # or invalid