From 67a168edae5d711258c363057b88b74e4cab8274 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 21 Nov 2014 14:19:43 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/tweak_book/editor/text.py | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/calibre/gui2/tweak_book/editor/text.py b/src/calibre/gui2/tweak_book/editor/text.py
index c7d2a2c52c..13cd92be1b 100644
--- a/src/calibre/gui2/tweak_book/editor/text.py
+++ b/src/calibre/gui2/tweak_book/editor/text.py
@@ -31,13 +31,19 @@ from calibre.utils.titlecase import titlecase
 PARAGRAPH_SEPARATOR = '\u2029'
 
 def get_highlighter(syntax):
-    # Load these highlighters only on demand
     try:
         ans = importlib.import_module('calibre.gui2.tweak_book.editor.syntax.' + syntax).Highlighter
     except (ImportError, AttributeError):
         ans = SyntaxHighlighter
     return ans
 
+def get_smarts(syntax):
+    smartsname = {'xml':'html'}.get(syntax, syntax)
+    try:
+        return importlib.import_module('calibre.gui2.tweak_book.editor.smart.' + smartsname).Smarts
+    except (ImportError, AttributeError):
+        pass
+
 _dff = None
 def default_font_family():
     global _dff
@@ -210,12 +216,8 @@ class TextEdit(PlainTextEdit):
         self.highlighter = get_highlighter(syntax)()
         self.highlighter.apply_theme(self.theme)
         self.highlighter.set_document(self.document(), doc_name=doc_name)
-        smartsname = {'xml':'html'}.get(syntax, syntax)
-        try:
-            sclass = importlib.import_module('calibre.gui2.tweak_book.editor.smart.' + smartsname).Smarts
-        except (ImportError, AttributeError):
-            pass
-        else:
+        sclass = get_smarts(syntax)
+        if sclass is not None:
             self.smarts = sclass(self)
         self.setPlainText(unicodedata.normalize('NFC', unicode(text)))
         if process_template and QPlainTextEdit.find(self, '%CURSOR%'):