fix vsplit.onchange error

Author: manatlan

htagui/splitters.py

@@ -80,7 +80,8 @@ class VSplit(Tag.div):
         """),
     ]
     def init(self,*objs,sizes=None,minSize=None,onchange=lambda x:x,**a):
-        self.sizes=sizes        
+        self.sizes=sizes   
+        self.onchange=onchange
         self["class"]="vsplit"
         self<=objs
         opts={"direction":"vertical","onDragEnd":"xxx"}

manual_tests.py

@@ -111,6 +111,7 @@ def force_select(nb):
 
 
     class TestDialogs(Tag.div):
+        statics="window.error = alert"
         imports=ui.ALL
         def init(self,root):
             self.ui=root.ui