Update mnist_dygraph.py (PaddlePaddle#2294)

DDDivano · chengduo · commit 702c3bcfd3ad · 2019-05-23T11:01:15.000+08:00
fix bug
diff --git a/dygraph/mnist/mnist_dygraph.py b/dygraph/mnist/mnist_dygraph.py
@@ -56,6 +56,7 @@ def __init__(self,
             groups=conv_groups,
             param_attr=None,
             bias_attr=None,
+            act=act,
             use_cudnn=use_cudnn)
 
         self._pool2d = Pool2D(
