Update MAISI model URL (#2051)

Fixes # .

### Description
A few sentences describing the changes proposed in this pull request.

### Checks
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Avoid including large-size files in the PR.
- [x] Clean up long text outputs from code cells in the notebook.
- [x] For security purposes, please check the contents and remove any
sensitive info such as user names and private key.
- [x] 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: Can-Zhao <canz@nvidia.com>
Signed-off-by: Yun Liu <yunl@nvidia.com>
Signed-off-by: root <root@pool0-01907.cm.cluster>
Signed-off-by: Can-Zhao <volcanofly@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Yun Liu <yunl@nvidia.com>
Co-authored-by: root <root@pool0-01907.cm.cluster>

Author: 4 people

.github/workflows/test-modified.yml

@@ -23,16 +23,23 @@ jobs:
         python-version: '3.10'
     - name: Install MONAI
       id: monai-install
+      env:
+        PIP_NO_CACHE_DIR: "1"
+        PIP_DISABLE_PIP_VERSION_CHECK: "1"
       run: |
         find  /opt/hostedtoolcache/* -maxdepth 0 ! -name 'Python' -exec rm -rf {} \;
+        df -h
         which python
         python -m pip install -U pip wheel
-        python -m pip install torch torchvision torchaudio
+        # Force CPU-only PyTorch wheels so we don't download huge CUDA/nvidia-* wheels in CI.
+        # Keep PyPI available for torch's dependencies.
+        python -m pip install --index-url https://download.pytorch.org/whl/cpu --extra-index-url https://pypi.org/simple torch torchvision torchaudio
 
         python -m pip install -r https://raw.githubusercontent.com/Project-MONAI/MONAI/dev/requirements-dev.txt
         python -m pip install -r requirements.txt
 
-        BUILD_MONAI=0 python -m pip install git+https://github.com/Project-MONAI/MONAI#egg=MONAI
+        # Avoid PEP517 build isolation (which can re-install torch and pull CUDA wheels).
+        BUILD_MONAI=0 python -m pip install --no-build-isolation git+https://github.com/Project-MONAI/MONAI#egg=MONAI
         python -m pip list
     - name: Notebook quick check
       shell: bash

deployment/fastapi_inference/app/__init__.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 FastAPI Inference Service for MONAI Models
 

deployment/fastapi_inference/app/inference.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 Inference Logic
 

deployment/fastapi_inference/app/main.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 FastAPI Application for MONAI Model Inference
 

deployment/fastapi_inference/app/model_loader.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 MONAI Model Loader
 

deployment/fastapi_inference/app/schemas.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 Pydantic Models for Request/Response Validation
 

deployment/fastapi_inference/examples/client.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 Example Python Client for MONAI FastAPI Inference Service
 

deployment/fastapi_inference/tests/__init__.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 Test suite for MONAI FastAPI Inference Service
 """

deployment/fastapi_inference/tests/test_api.py

@@ -1,3 +1,14 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 API Endpoint Tests
 

generation/maisi/README.md

@@ -1,3 +1,6 @@
+# 🚨🚨🚨 THIS FOLDER IS DEPRECATED (as of Oct 2025) 🚨🚨🚨
+# 👉 Please switch to: [https://github.com/NVIDIA-Medtech/NV-Generate-CTMR/tree/main](https://github.com/NVIDIA-Medtech/NV-Generate-CTMR/tree/main)
+
 # Medical AI for Synthetic Imaging (MAISI)
 This example demonstrates the applications of training and validating NVIDIA MAISI, a 3D Latent Diffusion Model (LDM) capable of generating large CT images accompanied by corresponding segmentation masks. It supports variable volume size and voxel spacing and allows for the precise control of organ/tumor size.