From 6d90650808714df5221d83939449e6593b452c90 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 24 Dec 2016 11:39:23 +0530
Subject: [PATCH] Remove unused code

---
 src/calibre/gui2/tweak_book/preview.py | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/calibre/gui2/tweak_book/preview.py b/src/calibre/gui2/tweak_book/preview.py
index c5e144ba37..c023ae991a 100644
--- a/src/calibre/gui2/tweak_book/preview.py
+++ b/src/calibre/gui2/tweak_book/preview.py
@@ -220,11 +220,6 @@ class NetworkReply(QNetworkReply):
 
 class NetworkAccessManager(QNetworkAccessManager):
 
-    OPERATION_NAMES = {getattr(QNetworkAccessManager, '%sOperation'%x) :
-            x.upper() for x in ('Head', 'Get', 'Put', 'Post', 'Delete',
-                'Custom')
-    }
-
     def createRequest(self, operation, request, data):
         qurl = request.url()
         if operation == self.GetOperation and qurl.host() == FAKE_HOST: