Failed to download the package from https://github.com/siepic/Ansys_Lumerical.git/tags/v1.0.7/Ansys-Lumerical.
There needs to be a file called 'grain.xml' below this URL. It needs to have the XML format of a KLayout package definition file.
This URL will be used for the package file: https://github.com/siepic/Ansys_Lumerical.git/tags/v1.0.7/Ansys-Lumerical/grain.xml.