diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
index b1b8bb6..dd86d2a 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
@@ -32,6 +32,7 @@
 public class Editor {
 
     protected DataTransferModel model = null;
+
     protected mxGraph graph;
     private final mxGraphComponent graphComponent;
 
@@ -303,7 +304,7 @@
         StringBuilder fileString = new StringBuilder();
 
         fileString.append("model {\n");
-        fileString.append(this.model.getSourceText());
+        fileString.append(model.getSourceText());
         fileString.append("}\n");
 
         fileString.append("geometry {\n");
diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
index 6e3020d..64edd98 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
@@ -123,6 +123,7 @@
     public void constructGraph() {
         ((mxGraphModel) graph.getModel()).clear();
         Object parent = graph.getDefaultParent();
+
         graph.getModel().beginUpdate();
         try {
             mxGeometry geo1 = new mxGeometry(0, 0.5, PORT_DIAMETER, PORT_DIAMETER);