Merge pull request #13445 from gongweibao/fixtransformer

Fix transformer random failed

Author: reyoung

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

@@ -61,9 +61,7 @@ def _setup_config(self):
 
     def test_transformer(self):
         download_files()
-        #Note: loss on test dataset of the first 5 batch are:
-        # 10.518872, 10.518871, 10.518868, 10.518862, 10.518855
-        self.check_with_place("dist_transformer.py", delta=1e-7)
+        self.check_with_place("dist_transformer.py", delta=1e-5)
 
 
 class TestDistTransformer2x2Async(TestDistBase):