xfab version 0.0.6 is now released and available at https://pypi.org/project/xfab/0.0.6/. Use
pip install xfab
to install from pypi.org.
This version is also available at the Anaconda : conda-forge channel here https://anaconda.org/conda-forge/xfab. Use
conda install -c conda-forge xfab
to install from the conda-forge channel.