[ocrfeeder] Convert the setting to bool method for the improve column detection

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 02fe799a22e6f0e4b439396f9fd9c33803574557
Author: Joaquim Rocha <jrocha igalia com>
Date:   Tue Jul 13 18:33:00 2010 +0200

    Convert the setting to bool method for the improve column detection

 studio/configuration.py |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)
---
diff --git a/studio/configuration.py b/studio/configuration.py
index da82ed7..76b2b60 100644
--- a/studio/configuration.py
+++ b/studio/configuration.py
@@ -382,12 +382,7 @@ class ConfigurationManager(object):
 
     def getImproveColumnDetection(self):
         improve = self.getConf(self.IMPROVE_COLUMN_DETECTION)
-        if type(improve) == str:
-            if improve == 'True':
-                improve = True
-            else:
-                improve = False
-        return improve
+        return self.__convertBoolSetting(improve)
 
     def setColumnMinWidth(self, column_min_width):
         self.setConf(self.COLUMN_MIN_WIDTH, column_min_width)