Songmin

Results 2 issues of Songmin

In the [emission bound (cumulative)](https://github.com/iiasa/message_ix/blob/main/tutorial/westeros/westeros_emissions_bounds.ipynb) tutorial, it seems one step is missing: add category for year, so "type_year" has "cumulative". Besides, the following line is not clear enough: ```python scen.add_par(...

bug

I am developing a power system model with MESSAGE. There are 31 nodes (provinces in China) and each of them has following technologies: `coal_ppl`, `gas_ppl`, `nuclear_ppl`, `hydro_ppl`, `biomass_ppl`, `solar_ppl`, and...