Hi Yanyu, For dipy <= 1.4.1, need fury <= 0.7.1 for dipy >= 1.5.0, you need fury >= 0.8.0 It should fix your problem. Cheers, Serge Koudoro ________________________________ From: Xiong, Yanyu <xionyany@indiana.edu> Sent: Tuesday, February 8, 2022 7:18 PM To: fury-owner@python.org <fury-owner@python.org> Subject: [External] Can't import name 'vtk' from 'fury.window' This message was sent from a non-IU address. Please exercise caution when clicking links or opening attachments from external sources. Dear community members, I had an issue using ‘ from dipy.viz import window, actor’ as follows: from dipy.viz import window, actor Traceback (most recent call last): File "C:\Users\ADMINI~1\AppData\Local\Temp/ipykernel_10660/96092957.py", line 1, in <module> from dipy.viz import window, actor File "C:\ProgramData\Anaconda3\lib\site-packages\dipy\viz\__init__.py", line 16, in <module> from fury.window import vtk ImportError: cannot import name 'vtk' from 'fury.window' (C:\ProgramData\Anaconda3\lib\site-packages\fury\window.py) How should I fix the problem? Thanks, Yanyu