Fix backend mismatch of interface and implemetation.

Author: jbking

stdnet/backends/__init__.py

@@ -319,7 +319,7 @@ def setup_connection(self, address):
 must return a instance of the backend handler.'''
         raise NotImplementedError()
 
-    def execute_session(self, session, callback):
+    def execute_session(self, session_data):
         '''Execute a :class:`stdnet.odm.Session` in the backend server.'''
         raise NotImplementedError()
 

tests/all/backends/interface.py

@@ -22,7 +22,7 @@ def testVirtuals(self):
         b = self.get_backend()
         self.assertEqual(str(b), 'dummy://127.0.0.1:9090')
         self.assertFalse(b.clean(None))
-        self.assertRaises(NotImplementedError, b.execute_session, None, None)
+        self.assertRaises(NotImplementedError, b.execute_session, None)
         self.assertRaises(NotImplementedError, b.model_keys, None)
         self.assertRaises(NotImplementedError, b.flush)