diff --git a/python/paddle/dataset/flowers.py b/python/paddle/dataset/flowers.py
index 17c768424f190e92d97f03ff9907dc8db61de93e..aa73bbaf7024ec873d9e921205536f12e097ff32 100644
--- a/python/paddle/dataset/flowers.py
+++ b/python/paddle/dataset/flowers.py
@@ -120,7 +120,7 @@ def reader_creator(data_file,
                 file = file.strip()
                 batch = None
                 with open(file, 'rb') as f:
-                    batch = pickle.loads(f.read())
+                    batch = pickle.load(f)
                 data = batch['data']
                 labels = batch['label']
                 for sample, label in zip(data, batch['label']):
diff --git a/python/paddle/fluid/parallel_executor.py b/python/paddle/fluid/parallel_executor.py
index ac87b12a1ce7fce274c79aa492c2acb8410798dd..a7765c9591f0bd653c08036c46a36131906a758f 100644
--- a/python/paddle/fluid/parallel_executor.py
+++ b/python/paddle/fluid/parallel_executor.py
@@ -273,7 +273,7 @@ class ParallelExecutor(object):
             self.executor.feed_tensors_into_local_scopes(res)
 
         fetch_var_name = '@FETCHED_VAR_NAME@'
-        self.executor.run(cpt.to_text(fetch_list), cpt.to_text(fetch_var_name))
+        self.executor.run(fetch_list, fetch_var_name)
         arr = self.scope.find_var(fetch_var_name).get_lod_tensor_array()
 
         if self.is_dist: