fix old examples

tensorpack/graph_builder/model_desc.py

@@ -170,7 +170,7 @@ class ModelDesc(ModelDescBase):
             [(grad, var)]
         """
         ctx = get_current_tower_context()
-        cost = self.build_graph_get_cost(*inputs)
+        cost = self._build_graph_get_cost(*inputs)
 
         varlist = ctx.filter_vars_by_vs_name(tf.trainable_variables())
         opt = self.get_optimizer()

tensorpack/train/base.py

@@ -289,7 +289,7 @@ class Trainer(object):
                 return super(Trainer, cls).__new__(cls)
             else:
                 logger.warn("You're calling new trainers with old trainer API!")
-                logger.warn("Now it returns the old trainer for you, please switch to use new trainers correctly!")
+                logger.warn("Now it returns the old trainer for you, please switch to use new trainers soon!")
                 logger.warn("'SomeTrainer(config, ...).train()' should be equivalent to "
                             "'launch_train_with_config(config, SomeTrainer(...))' in the new API.")
                 return old_trainer(*args, **kwargs)

tox.ini

@@ -4,8 +4,9 @@ ignore = E265,E741,E742,E743
 exclude = .git,
 					tensorpack/__init__.py,
 					setup.py,
-					snippet,
 					docs,
 					examples,
-					_test.py,
 					docs/conf.py
+					snippet,
+					examples-old,
+					_test.py,