[Checkins] SVN: z3c.sqlalchemy/trunk/src/z3c/sqlalchemy/mapper.py fix

[Andreas Jung]

Log message for revision 74654:
  fix
  

Changed:
  U   z3c.sqlalchemy/trunk/src/z3c/sqlalchemy/mapper.py

-=-
Modified: z3c.sqlalchemy/trunk/src/z3c/sqlalchemy/mapper.py
===================================================================
--- z3c.sqlalchemy/trunk/src/z3c/sqlalchemy/mapper.py	2007-04-23 08:55:21 UTC (rev 74653)
+++ z3c.sqlalchemy/trunk/src/z3c/sqlalchemy/mapper.py	2007-04-23 09:25:45 UTC (rev 74654)
@@ -146,8 +146,7 @@
        
             # create a mapper and cache it 
 
-            
-            if mapper_class.__dict__.has_key('c'):
+            if mapper_class and mapper_class.__dict__.has_key('c'):
                 mapper = mapper_class
 
             else: