ImportError: cannot import name 'SwinUNETR'

[Guoxt]

from monai.networks.nets import SwinUNETR
ImportError: cannot import name 'SwinUNETR'

What's the reason？？？

[KumoLiu]

Hi @Guoxt, could you please help check your environment, seems you are in the wrong environment. Thanks!

[KumoLiu]

Did you use pip uninstall monai?

[Guoxt]

Hi. This is my installation and uninstallation record. According to the prompt, it seems that the maximum version is 0.8.1.

root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip uninstall monai
Found existing installation: monai 0.8.1
Uninstalling monai-0.8.1:
  Would remove:
    /usr/local/lib/python3.6/dist-packages/monai-0.8.1.dist-info/*
    /usr/local/lib/python3.6/dist-packages/monai/*
Proceed (Y/n)? y
  Successfully uninstalled monai-0.8.1
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip show monai
WARNING: Package(s) not found: monai
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# 
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip uninstall -y monai
WARNING: Skipping monai as it is not installed.
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip install monai==1.0.0
ERROR: Could not find a version that satisfies the requirement monai==1.0.0 (from versions: 0.0.1, 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.6.0, 0.7.0, 0.8.0, 0.8.1)
ERROR: No matching distribution found for monai==1.0.0
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip install monai       
Collecting monai
  Using cached monai-0.8.1-202202162213-py3-none-any.whl (721 kB)
Requirement already satisfied: numpy>=1.17 in /usr/local/lib/python3.6/dist-packages (from monai) (1.19.5)
Requirement already satisfied: torch>=1.6 in /usr/local/lib/python3.6/dist-packages (from monai) (1.10.2)
Requirement already satisfied: typing-extensions in /usr/local/lib/python3.6/dist-packages (from torch>=1.6->monai) (4.1.1)
Requirement already satisfied: dataclasses in /usr/local/lib/python3.6/dist-packages (from torch>=1.6->monai) (0.8)
Installing collected packages: monai
Successfully installed monai-0.8.1
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# pip show monai
Name: monai
Version: 0.8.1
Summary: AI Toolkit for Healthcare Imaging
Home-page: https://monai.io/
Author: MONAI Consortium
Author-email: [email protected]
License: Apache License 2.0
Location: /usr/local/lib/python3.6/dist-packages
Requires: numpy, torch
Required-by: 
root@n444226be21e4784a283cf0fd9202b9b-task0-0:/# 

[KumoLiu]

Hi @Guoxt, seems your python version is too low, could you please update your python version >= 3.7 and try it again?

[KumoLiu]

You can find the requirement here,

MONAI/setup.cfg

Line 19 in 4f584a9

python_requires = >= 3.7

[Guoxt]

Problem solved, thank you for your patience!