From ccf2c33111de933e97db6121ee983bf03b757839 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Sun, 20 Nov 2011 12:33:39 +0100
Subject: [PATCH] Fix regression using GPM templates in save-to-disk.

---
 src/calibre/utils/formatter.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/utils/formatter.py b/src/calibre/utils/formatter.py
index aca49ccb43..b1224de3da 100644
--- a/src/calibre/utils/formatter.py
+++ b/src/calibre/utils/formatter.py
@@ -339,6 +339,7 @@ class TemplateFormatter(string.Formatter):
     ########## a formatter that throws exceptions ############
 
     def unsafe_format(self, fmt, kwargs, book):
+        self.column_name = self.template_cache = None
         self.kwargs = kwargs
         self.book = book
         self.composite_values = {}