snakemake.input.ch_industrial_production, index_col=0 -> NameError: name 'snakemake' is not defined

[cerealice]

Checklist

• [x] I am using the current master branch.
• [x] I am running on an up-to-date pypsa-eur environment.

Error Message

When running the script build_industrial__production_per_country.py the workflow stops do to the following error: snakemake.input.ch_industrial_production, index_col=0 -> NameError: name 'snakemake' is not defined This seems to be caused somehow by multiprocessing In my case I solved it by adding snakemake as an argument in the functions

• get_energy_ratio
• industry_production_per_country
• industry_production