clean code

parser/tensorflow/parser_graph_optimizer.cc

@@ -188,7 +188,10 @@ Status CollectNodeFuncs(vector<ge::NodePtr> &nodes, FunctionDefLibrary *library)
 
 Status ParserGraphOptimizer::UpdateGraph(vector<NodePtr> &nodes) {
   ComputeGraphPtr sub_graph = nullptr;
-  GE_MAKE_SHARED(sub_graph = std::make_shared<ComputeGraph>("subGraph"), sub_graph = nullptr; return PARAM_INVALID);
+  GE_MAKE_SHARED(
+      sub_graph = std::make_shared<ComputeGraph>("subGraph"),
+      sub_graph = nullptr;
+      return PARAM_INVALID);
 
   unordered_map<string, NodePtr> node_map;
   vector<InDataAnchorPtr> input_anchors;