Ebbe Kyhl Gøtske

## Changes proposed in this Pull Request Specify memory resources in all rules. With the setup in our group, this needs to be defined to run the model. ## Checklist...

Addressing the issue #177. The wildcard "planning_horizons" is unchanged - but input cost year (e.g., in [prepare_sector_network](https://github.com/PyPSA/pypsa-eur-sec/blob/3daff49c9999ba7ca7534df4e587e1d516044fc3/Snakefile#L477)) is now either equivalent to "planning_horizons" (for myopic) or config["costs"]["year"] (for overnight). In...

calculate_energy: Unable to locate missing buses

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The code that tries to remove values where bus is missing due to a bug in nomopyomo does not work properly. It causes the following message: `` raise KeyError(f"None of...