interactive inception in ipython 3.1 notebook

cell1.py

from IPython.html.widgets import interact, interactive, fixed
from IPython.html import widgets
from IPython.display import display
import time

def printd(x):
    print("option", x)

def generate_options(count):
    return ["text %f %d"%(time.time(), i) for i in range(count)]
    
def wrap(otherslider):
    only_child = otherslider.children[0]
    
    def resize(size):
        print("resized:", size)
        only_child.options = generate_options(size)
        
    def refresh(_):
        print("refresh")
        current_size = len(only_child.options)
        resize(current_size)
        
    return resize, refresh
    
text_selector = interactive(printd, x=widgets.Select(options=generate_options(2), width=200, height=300))
resize, refresh = wrap(text_selector)

button = widgets.ButtonWidget(description="Refresh !")
button.on_click(refresh)

slider = interactive(resize, size=(0, 10));

main_container = widgets.HBox(children=[button, slider])
display(main_container)

display(widje);