OptionalImportError: from einops import rearrange (No module named 'einops').

[Leeyeonju1]

Hi!
I've got this issue while using monai SWIN-UNETR.
I hope there are some ways to solve this error!

Thanks!

[wyli]

have you tried pip install "monai[einops]"?

https://docs.monai.io/en/latest/installation.html#installing-the-recommended-dependencies

[Leeyeonju1]

Yes, I successfully installed it and imported it, but still I am getting an error!

[wyli]

probably you don't have the latest einops, to upgrade: pip install -U einops

[Oier-Mk]

not working, the error persists

[Leeyeonju1]

I resolved the error.
I'm currently using google colab. I'm still not sure about what resolved the error.
Maybe you can try pip install monai > pip install einops and import those.
Also, I'm not importing swin unetr from monai. I copied and pasted the source code in py file and import the py file.
I hope it works for you too.

[toufiqmusah]

pip install -q "monai-weekly[einops]
This worked for me. Don't forget to restart the runtime if in colab.

[monajalal]

(oneposeplus) mona@ard-gpu-01:~/OnePose_Plus_Plus/submodules/LoFTR/demo$ ./run_demo.sh
Running LoFTR demo..
Traceback (most recent call last):
File "/home/mona/OnePose_Plus_Plus/submodules/LoFTR/demo/demo_loftr.py", line 19, in
from src.loftr import LoFTR, default_cfg
File "/home/mona/OnePose_Plus_Plus/submodules/LoFTR/demo/../src/loftr/init.py", line 1, in
from .loftr import LoFTR
File "/home/mona/OnePose_Plus_Plus/submodules/LoFTR/demo/../src/loftr/loftr.py", line 3, in
from einops.einops import rearrange
ModuleNotFoundError: No module named 'einops'

[adit-negi]

pip install "monai[einops]"
Tried the above out, still the same error as OP persists.

[KumoLiu]

Hi @adit-negi, could you please try pip show einops to show whether you installed einops successfully?

[jonathanquantumalpha]

Hi @KumoLiu I got this output from running pip show einops:

Name: einops
Version: 0.7.0
Summary: A new flavour of deep learning operations
Home-page:
Author: Alex Rogozhnikov
Author-email:
License: MIT
Location: /usr/local/lib/python3.10/dist-packages
Requires:
Required-by:

But when running the trainer I still got this error in Colab:

---

OptionalImportError Traceback (most recent call last)
in <cell line: 11>()
9 loss_epochs,
10 trains_epoch,
---> 11 ) = trainer(
12 model=model,
13 train_loader=train_loader,

54 frames
[... skipping hidden 1 frame]

[... skipping hidden 1 frame]

[... skipping hidden 1 frame]

[... skipping hidden 1 frame]

/usr/local/lib/python3.10/dist-packages/monai/utils/module.py in optional_import(module, version, version_checker, name, descriptor, version_args, allow_namespace_pkg, as_type)
394 actual_cmd = f"import {module}"
395 try:
--> 396 pkg = import(module) # top level module
397 the_module = import_module(module)
398 if not allow_namespace_pkg:

OptionalImportError: from einops import rearrange (No module named 'einops').

For details about installing the optional dependencies, please visit:
https://docs.monai.io/en/latest/installation.html#installing-the-recommended-dependencies

[KumoLiu]

Make sure you are in the same environment, such as install and show the einops in the Colab.

[Navoditamathur]

Facing the same error