pep8: Some modifications to respect pep8 standard code.

src/View/Network/GraphWidget.py

@@ -115,6 +115,7 @@ class NodeItem(QGraphicsItem):
         if not self.graph._only_display:
             super(NodeItem, self).mouseMoveEvent(event)
 
+
 class EdgeItem(QGraphicsItem):
     Type = QGraphicsItem.UserType + 2
 
@@ -216,6 +217,7 @@ class EdgeItem(QGraphicsItem):
         painter.drawPolygon(poly)
         painter.fillPath(path, brush)
 
+
 class NodeText(QGraphicsTextItem):
     def __init__(self, node_item):
         super(NodeText, self).__init__()
@@ -228,9 +230,9 @@ class NodeText(QGraphicsTextItem):
 
     def set_custom_pos(self, pos):
         x = pos.x()
-        y = pos.y() - 42 # Dont panic! The answer is 42
+        y = pos.y() - 42  # Dont panic! The answer is 42
 
-        self.setPos(QPointF(x,y))
+        self.setPos(QPointF(x, y))
 
     @timer
     def paint(self, painter, option, widget):
@@ -248,6 +250,7 @@ class NodeText(QGraphicsTextItem):
         # Update the node text
         self.setPlainText(self.item.node.name)
 
+
 class NewEdgeLine(QGraphicsItem):
     def __init__(self, src, dest):
         super(NewEdgeLine, self).__init__()
@@ -278,13 +281,14 @@ class NewEdgeLine(QGraphicsItem):
                             Qt.RoundJoin))
         painter.drawLine(line)
 
+
 class GraphWidget(QGraphicsView):
     changeEdge = pyqtSignal(object)
     changeNode = pyqtSignal(object)
 
     def __init__(self, graph, parent=None,
                  min_size=(400, 400), max_size=None,
-                 size=None, only_display=False, undo = None):
+                 size=None, only_display=False, undo=None):
         super(GraphWidget, self).__init__(parent=parent)
 
         self.timerId = 0
@@ -522,7 +526,6 @@ class GraphWidget(QGraphicsView):
         self.changeNode.emit(self.sender())
         self.changeEdge.emit(self.sender())
 
-
     def update_edges(self, node):
         """Update display of all edges linked with the node
 
@@ -791,7 +794,7 @@ class GraphWidget(QGraphicsView):
         if self._state == "move":
             # Move on scene
             if (not self.selected_item() and
-                event.buttons() & Qt.LeftButton):
+                    event.buttons() & Qt.LeftButton):
                 old_p = self.mapToScene(self.m_origin_x, self.m_origin_y)
                 new_p = self.mapToScene(event.pos())
                 translation = new_p - old_p
@@ -805,7 +808,6 @@ class GraphWidget(QGraphicsView):
             self.update()
             super(GraphWidget, self).mouseMoveEvent(event)
 
-
     # Contextual menu
 
     def _menu_default(self, event, pos, items, menu):
@@ -835,7 +837,8 @@ class GraphWidget(QGraphicsView):
             enable = menu.addAction(_translate("Network", "Enable the reach"))
             is_enable = False
 
-        reverse = menu.addAction(_translate("Network", "Reverse the reach orientation"))
+        reverse = menu.addAction(_translate(
+            "Network", "Reverse the reach orientation"))
 
         action = menu.exec_(self.mapToGlobal(event.pos()))