o UÝ¢gdã@s$dZddlmZddlZdd„ZdS)zRead environment variables.é)Ú annotationsNcCs t dd¡S)zlReturn the value of the environment variable TENX_PRODUCT if it exists. or "tenxranger" otherwise. Z TENX_PRODUCTZ tenxranger)ÚosÚgetenv©rrú]/oak/stanford/groups/akundaje/marinovg/programs/cellranger-9.0.1/lib/python/cellranger/env.pyÚproduct s r)Ú__doc__Ú __future__rrrrrrrÚs