From c5df294a287f296f55c0cf646433b1c4e7dd2a33 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Mon, 13 Jan 2014 19:07:34 +0900
Subject: [PATCH] fix "local variable 'txt' referenced before assignment"

---
 aqt/browser.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/aqt/browser.py b/aqt/browser.py
index 23025aa65..5bbd33ece 100644
--- a/aqt/browser.py
+++ b/aqt/browser.py
@@ -96,10 +96,14 @@ class DataModel(QAbstractTableModel):
             return
         elif role == Qt.DisplayRole and section < len(self.activeCols):
             type = self.columnType(section)
+            txt = None
             for stype, name in self.browser.columns:
                 if type == stype:
                     txt = name
                     break
+            # handle case where extension has set an invalid column type
+            if not txt:
+                txt = self.browser.columns[0][1]
             return txt
         else:
             return