diff --git a/vacuum-agent/__main__.py b/vacuum-agent/__main__.py
index 3bb2525..99f0c2b 100644
--- a/vacuum-agent/__main__.py
+++ b/vacuum-agent/__main__.py
@@ -144,7 +144,8 @@ def draw_agent(self, position: Position):
         pen.setWidth(3)
         pen.setColor(Qt.red)
         if self.agent_rect:
-            self.agent_rect.setRect(QRectF(position.x - 40, position.y - 40, 80, 80))
+            self.agent_rect.setRect(
+                QRectF(position.x - 40, position.y - 40, 80, 80))
         else:
             self.agent_rect = self.scene.addRect(QRectF(position.x - 40, position.y - 40, 80, 80),
                                                  pen=pen)