Unit Cube Mesh is not defined

Hello!

I am trying to run Fenics on Windows 8 and i have installed docker and dolfin.
So far i can finally execute the line ‘from dolfin import *’ without an error. But the line 'mesh = UnitCubeMesh(16, 16, 16) gives me the following error:

Microsoft Windows [Version 6.3.9600]
© 2013 Microsoft Corporation. Alle Rechte vorbehalten.

C:\Users\Julia>C:/Users/Julia/AppData/Local/Programs/Python/Python36/python.exe
c:/Users/Julia/testFenics2.py
Traceback (most recent call last):
File “c:/Users/Julia/testFenics2.py”, line 3, in
mesh = UnitCubeMesh(16, 16, 16)
NameError: name ‘UnitCubeMesh’ is not defined

Could somebody PLEAAASE help me? :’(

Greetings Julia

Hi,
Could you run the following and post the corresponding error message?
from dolfin import UnitCubeMesh