Utility script to setup fastai2 on colab

fastai2_colab_setup.sh

#!/bin/bash
if [ ! -e /content/models ]; then
        mkdir -p /root/.fastai/data
        ln -s /root/.cache/torch/checkpoints/ /content
        ln -s /root/.fastai/data /content
        rm -rf /content/sample_data/
        mkdir /content/models
fi
echo Installing dependencies
pip install -q feather-format kornia pyarrow wandb nbdev fastprogress --upgrade
echo Installing fastai2
pip install git+https://github.com/fastai/fastcore.git git+https://github.com/fastai/fastai2.git --upgrade
echo Done.