Update animation demos

doc/demos/animation_dancing.py

@@ -83,7 +83,7 @@ def update_state():
 
     # The following will force the re-drawing of the graph, and issue a
     # re-drawing of the GTK window.
-    win.graph.regenerate_surface(lazy=False)
+    win.graph.regenerate_surface()
     win.graph.queue_draw()
 
     # if doing an offscreen animation, dump frame to disk

doc/demos/animation_sirs.py

@@ -119,7 +119,7 @@ def update_state():
 
     # The following will force the re-drawing of the graph, and issue a
     # re-drawing of the GTK window.
-    win.graph.regenerate_surface(lazy=False)
+    win.graph.regenerate_surface()
     win.graph.queue_draw()
 
     # if doing an offscreen animation, dump frame to disk

doc/demos/animation_zombies.py

@@ -135,7 +135,7 @@ def update_state():
 
     # The following will force the re-drawing of the graph, and issue a
     # re-drawing of the GTK window.
-    win.graph.regenerate_surface(lazy=False)
+    win.graph.regenerate_surface()
     win.graph.queue_draw()
 
     # if doing an offscreen animation, dump frame to disk

doc/demos/interactive_bst.py

@@ -59,7 +59,7 @@ def update_bfs(widget, event):
             if e is not None:
                 ecolor[e] = orange
                 vcolor[v] = vcolor[w] = orange
-    widget.regenerate_surface(lazy=False)
+    widget.regenerate_surface()
     widget.queue_draw()
 
     if offscreen: