Clone repo with submodules:
git clone --recurse-submodules git@github.com:weifanjiang/DRE.git
Install the modified CSSPy package:
cd DRE/CSSPy
pip install .
Unzip the Philly traces data (requires the git LFS plug-in):
cd DRE/philly-traces
tar -xvf trace-data.tar.gz