Fix JaxRuntimeError

✅ Solution

JaxRuntimeError often arises from conflicting setups or initialization attempts with PJRT devices (like CUDA) where resources are already claimed. To fix it, ensure consistent device selection (e.g., using `jax.default_backend()` or `jax.devices()`) and avoid redundant initialization of the same device in different parts of your code or across multiple processes. Carefully examine your environment setup, especially when using multi-GPU or multi-process setups, and restart the runtime/kernel if necessary.