diff -r d2e979738700 -r ec153828ded2 graphics/GraphicCommons.py
--- a/graphics/GraphicCommons.py	Mon Aug 14 23:38:28 2017 +0300
+++ b/graphics/GraphicCommons.py	Tue Aug 15 12:17:51 2017 +0300
@@ -105,14 +105,14 @@
 REFRESH_HIGHLIGHT_PERIOD = 0.1
 
 HANDLE_CURSORS = {
-    (1, 1) : 2,
-    (3, 3) : 2,
-    (1, 3) : 3,
-    (3, 1) : 3,
-    (1, 2) : 4,
-    (3, 2) : 4,
-    (2, 1) : 5,
-    (2, 3) : 5
+    (1, 1): 2,
+    (3, 3): 2,
+    (1, 3): 3,
+    (3, 1): 3,
+    (1, 2): 4,
+    (3, 2): 4,
+    (2, 1): 5,
+    (2, 3): 5
 }