Created by: peterzhang2029

I found there always a error in Travis CI.

diff --git a/paddle/operators/detail/send_recv.proto b/paddle/operators/detail/send_recv.proto
index 66f84678..962c7d59 100644
--- a/paddle/operators/detail/send_recv.proto
+++ b/paddle/operators/detail/send_recv.proto
@@ -17,7 +17,7 @@ syntax = "proto3";
 package sendrecv;
 
 service SendRecvService {
-  // For parameter server round-robin like hashing, do not split tensors. 
+  // For parameter server round-robin like hashing, do not split tensors.
   // Send and recv only one tensor
   rpc SendVariable(VariableMessage) returns (VariableMessage) {}
 }
@@ -32,6 +32,4 @@ message VariableMessage {
   bytes serialized = 2;
 }
 
-message VoidMessage {
-
-}
\ No newline at end of file
+message VoidMessage {}
\ No newline at end of file
Your change doesn't follow PaddlePaddle's code style.
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