diff --git a/src/View/Network/GraphWidget.py b/src/View/Network/GraphWidget.py
index 319a4f9e0b5982212ee2e90e156c2febc6c01b7a..2eb77ced1e26062dad760ab70224ec205b19e070 100644
--- a/src/View/Network/GraphWidget.py
+++ b/src/View/Network/GraphWidget.py
@@ -157,7 +157,7 @@ class EdgeItem(QGraphicsItem):
     def boundingRect(self):
         # Rectangle of edge for display update
         pen_width = 2.0
-        extra = 0 #(pen_width + 5) / 2.0
+        extra = 0  # (pen_width + 5) / 2.0
 
         return self._bound_rect.normalized().adjusted(
             -extra, -extra, extra, extra
@@ -167,7 +167,7 @@ class EdgeItem(QGraphicsItem):
         return self._arc
 
     def paint(self, painter, option, widget):
-        #self.paint_line(painter, option, widget)
+        # self.paint_line(painter, option, widget)
         self.paint_arc(painter, option, widget)
 
     @timer
@@ -289,7 +289,7 @@ class EdgeItem(QGraphicsItem):
         bisector_ab = QLineF(line_ab.pointAt(0.5), line_ab.p2())
         bisector_ab.setAngle(line_ab.normalVector().angle())
 
-        center = QPointF(0,0)
+        center = QPointF(0, 0)
         bisector_ab.intersect(bisector_bc, center)
 
         circle = QRectF(
@@ -339,7 +339,7 @@ class EdgeItem(QGraphicsItem):
         return p3
 
     def paint_arrow(self, painter, option, widget,
-                         color, center, angle):
+                    color, center, angle):
         brush = QBrush()
         brush.setColor(color)
         brush.setStyle(Qt.SolidPattern)
@@ -360,6 +360,7 @@ class EdgeItem(QGraphicsItem):
         painter.drawPolygon(poly)
         painter.fillPath(path, brush)
 
+
 class NodeText(QGraphicsTextItem):
     def __init__(self, node_item):
         super(NodeText, self).__init__()
@@ -520,12 +521,12 @@ class GraphWidget(QGraphicsView):
             )
 
             # Multiple edges counter
-            if (n1,n2) not in multiple_edges:
+            if (n1, n2) not in multiple_edges:
                 ind = 1
             else:
-                ind = multiple_edges[(n1,n2)] + 1
+                ind = multiple_edges[(n1, n2)] + 1
 
-            multiple_edges[(n1,n2)] = ind
+            multiple_edges[(n1, n2)] = ind
 
             iedge = EdgeItem(n1, n2, edge, self)
             iedge._ind = ind