The error indicates that none of the required machine learning libraries (PyTorch, TensorFlow >= 2.0, or Flax) are detected. To resolve this: 1. Install the Missing Libraries: ◦ For PyTorch:

pip install torch

◦ For TensorFlow:

pip install tensorflow

◦ For Flax:

pip install flax

1. Verify Installation: ◦ For PyTorch:

python -c "import torch; print(torch.__version__)"

◦ For TensorFlow:

python -c "import tensorflow as tf; print(tf.__version__)"

◦ For Flax:

python -c "import jax; print(jax.__version__)"

1. Check System Information: Use the system info script to verify your environment setup. If the issue persists, please share details about your environment, such as Python version, operating system, and any recent changes to your project. Sources: pyproject.toml | tools/mtmd/legacy-models/llava_surgery_v2.py