network: Minor change.

src/View/Network/GraphWidget.py

@@ -52,7 +52,7 @@ class NodeItem(QGraphicsItem):
 
         # Select color in function of node position in graph and
         # status
-        color = Qt.yellow
+        color = Qt.blue
         if self.graph.selected_new_edge_src_node() == self:
             color = Qt.darkRed
         elif self.graph.selected_item() == self:
@@ -60,7 +60,7 @@ class NodeItem(QGraphicsItem):
         elif not self.graph.graph.is_enable_node(self.node):
             color = Qt.darkGray
         elif self.graph.graph.is_upstream_node(self.node):
-            color = Qt.blue
+            color = Qt.yellow
         elif self.graph.graph.is_downstream_node(self.node):
             color = Qt.green