[Python] PyBaMM 25.6.0 - installing SEI and LAM degradation models for li-ion batteries

Installed PyBaMM 26.5.0, for Li-ion batteries, on windows using the PIP installer. But the degradation folder for advanced SEI (solid electrolyte interphase) and LAM (loss of active material) models is missing.

The DFN (Doyle-Fuller-Newman) simulation degradation appears to be limited to the SEIgrowth model, and high cycle charge/discharge simulations so far are insensitive to cell temperature - clearly this is non-physical.

Looking at the installation found that it was missing the \degradation folder containing \sei (solid electrolyte interphase) and \lam (loss of active material) models. C:\Python312\Lib\site-packages\pybamm\models\submodels\degradation\sei C:\Python312\Lib\site-packages\pybamm\models\submodels\degradation\lam

Have manually built these from GIT, but am having a very hard time debugging to get them integrated into a working simulation.

My question: is there a better way to install PyBaMM 25.6.0 with working SEI and LAM degradation models?

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