--- sqltest.py-orig	2008-04-01 14:25:01.000000000 -0400
+++ sqltest.py	2008-04-01 14:27:53.000000000 -0400
@@ -139,7 +139,7 @@
 
         vs=[]
         for v in v:
-            if not v and type(v) is StringType and t != 'string': continue
+            if not v and isinstance(v, basestring) and t != 'string': continue
             if t=='int':
                 try:
                     if type(v) is StringType: