From 59ad3aa5aa3b8cc78fd237c2e5eaf2941c4f9e54 Mon Sep 17 00:00:00 2001
From: Daniel Roseman
Date: Tue, 5 Jan 2010 22:58:26 +0800
Subject: Fix issue #33: ensure force_unicode doesn't convert non-strings.

---
 debug_toolbar/panels/sql.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debug_toolbar/panels/sql.py b/debug_toolbar/panels/sql.py
index 9b6db22..7fa4423 100644
--- a/debug_toolbar/panels/sql.py
+++ b/debug_toolbar/panels/sql.py
@@ -95,7 +95,7 @@ class DatabaseStatTracker(util.CursorDebugWrapper):
             stacktrace = tidy_stacktrace(traceback.extract_stack())
             _params = ''
             try:
-                _params = simplejson.dumps([force_unicode(x) for x in params])
+                _params = simplejson.dumps([force_unicode(x, strings_only=True) for x in params])
             except TypeError:
                 pass # object not JSON serializable
 
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