Update README.md (#2)

- Update README.md (ade1f977dc4fc9a06660c8e72f70d2c16b3780da)


Co-authored-by: Alex <[email protected]>

README.md

@@ -220,12 +220,12 @@ To work with our elastic models and compilation tools, you'll need to install `e
 
 ```shell
 pip install thestage
-pip install 'thestage-elastic-models[nvidia]'
+pip install 'thestage-elastic-models[nvidia]' --extra-index-url https://thestage.jfrog.io/artifactory/api/pypi/pypi-thestage-ai-production/simple
 pip install flash-attn==2.7.3 --no-build-isolation
 pip uninstall apex
 
 # or for blackwell support
-pip install 'thestage-elastic-models[blackwell]'
+pip install 'thestage-elastic-models[blackwell]' --extra-index-url https://thestage.jfrog.io/artifactory/api/pypi/pypi-thestage-ai-production/simple
 pip install torch==2.7.0+cu128 torchvision torchaudio --index-url https://download.pytorch.org/whl/cu128
 # please download the appropriate version of Wheels for your system from https://github.com/Zarrac/flashattention-blackwell-wheels-whl-ONLY-5090-5080-5070-5060-flash-attention-/releases/tag/FlashAttention
 mv flash_attn-2.7.4.post1-rtx5090-torch2.7.0cu128cxx11abiTRUE-cp311-linux_x86_64.whl flash_attn-2.7.4.post1-0rtx5090torch270cu128cxx11abiTRUE-cp311-cp311-linux_x86_64.whl