sort here so that exception messages are testable

diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index fa13d706546f2ac9b3f1a4cb849e5a21e9b0078a..5730b3a3702952f8eca5814c7968829c5a45a663 100644 (file)
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -2340,7 +2340,7 @@ class ForeignKeyConstraint(Constraint):
     def _validate_dest_table(self, table):
         table_keys = set([elem._table_key() for elem in self._elements.values()])
         if None not in table_keys and len(table_keys) > 1:
-            elem0, elem1 = list(table_keys)[0:2]
+            elem0, elem1 = sorted(table_keys)[0:2]
             raise exc.ArgumentError(
                 'ForeignKeyConstraint on %s(%s) refers to '
                 'multiple remote tables: %s and %s' % (