Backport one change for Python 2.1 compatibility:

* don't use a string > 1 char with 'in'

(untested on maint-0-8, as something seems to be wrong with running tests there)

Author: Johannes Gijsbers

roundup/backends/back_postgresql.py

@@ -106,7 +106,7 @@ def open_connection(self):
         try:
             self.load_dbschema()
         except psycopg.ProgrammingError, message:
-            if '"schema" does not exist' not in str(message):
+            if str(message).find('"schema" does not exist') == -1:
                 raise
             self.rollback()
             self.init_dbschema()