fix dataset testcase error

test=develop

python/paddle/fluid/tests/unittests/test_dataset.py

@@ -107,12 +107,12 @@ class TestDataset(unittest.TestCase):
         exe = fluid.Executor(fluid.CPUPlace())
         exe.run(fluid.default_startup_program())
         for i in range(2):
-            #try:
+            try:
                 exe.train_from_dataset(fluid.default_main_program(), dataset)
-            #except ImportError as e:
-            #    pass
-            #except Exception as e:
-            #    self.assertTrue(False)
+            except ImportError as e:
+                pass
+            except Exception as e:
+                self.assertTrue(False)
 
         os.remove("./test_in_memory_dataset_run_a.txt")
         os.remove("./test_in_memory_dataset_run_b.txt")
@@ -151,12 +151,12 @@ class TestDataset(unittest.TestCase):
         exe = fluid.Executor(fluid.CPUPlace())
         exe.run(fluid.default_startup_program())
         for i in range(2):
-            #try:
+            try:
                 exe.train_from_dataset(fluid.default_main_program(), dataset)
-            #except ImportError as e:
-            #    pass
-            #except Exception as e:
-            #    self.assertTrue(False)
+            except ImportError as e:
+                pass
+            except Exception as e:
+                self.assertTrue(False)
 
         os.remove("./test_queue_dataset_run_a.txt")
         os.remove("./test_queue_dataset_run_b.txt")

python/paddle/fluid/trainer_desc.py

@@ -23,7 +23,7 @@ class TrainerDesc(object):
         with open(proto_file, 'r') as f:
             text_format.Parse(f.read(), self.proto_desc)
         '''
-        from .proto import trainer_desc_pb2
+        from proto import trainer_desc_pb2
         self.proto_desc = trainer_desc_pb2.TrainerDesc()
         import multiprocessing as mp
         # set default thread num == cpu count