File "src/render_docs.py", line 140, in cargo_unique_industry_combinations
    industry_key = tuple(sorted(economy_industries))
TypeError: unorderable types: Industry() < IndustryTertiary()

 - Expression: "doc_helper.cargo_unique_industry_combinations(cargo)"
 - Filename:   ... TD_graphics/FIRS/firs_build/src/docs_templates/cargos.pt
 - Location:   (line 20: col 87)
 - Source:     ... tions doc_helper.cargo_unique_industry_combinations(cargo)">