Jupytext (#1808)

Workaround of #1807

### Description

- set a version constraint on jupytext

- remove xformer in maisi 

### Checks
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [ ] Avoid including large-size files in the PR.
- [ ] Clean up long text outputs from code cells in the notebook.
- [ ] For security purposes, please check the contents and remove any
sensitive info such as user names and private key.
- [ ] Ensure (1) hyperlinks and markdown anchors are working (2) use
relative paths for tutorial repo files (3) put figure and graphs in the
`./figure` folder
- [ ] Notebook runs automatically `./runner.sh -t <path to .ipynb file>`

---------

Signed-off-by: YunLiu <[email protected]>

generation/maisi/maisi_diff_unet_training_tutorial.ipynb

@@ -44,9 +44,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "!python -c \"import monai\" || pip install -q \"monai-weekly[pillow, tqdm]\"\n",
-    "!python -c \"import xformers\" || pip install -q xformers --index-url https://download.pytorch.org/whl/cu121\n",
-    "# The Python package \"xformers\" is essential for improving model training efficiency and saving GPU memory footprints."
+    "!python -c \"import monai\" || pip install -q \"monai-weekly[pillow, tqdm]\""
    ]
   },
   {

generation/maisi/maisi_train_controlnet_tutorial.ipynb

@@ -44,9 +44,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "!python -c \"import monai\" || pip install -q \"monai-weekly[pillow, tqdm]\"\n",
-    "!python -c \"import xformers\" || pip install -q xformers --index-url https://download.pytorch.org/whl/cu121\n",
-    "# The Python package \"xformers\" is essential for improving model training efficiency and saving GPU memory footprints."
+    "!python -c \"import monai\" || pip install -q \"monai-weekly[pillow, tqdm]\""
    ]
   },
   {

requirements.txt

@@ -1,7 +1,7 @@
 flake8
 papermill
 autopep8
-jupytext
+jupytext<=1.16.3
 autoflake
 ipywidgets
 tensorboard>=2.4.0