Cellophil

Contingency finder helper function

7

Hi, I updated two instances where the branch index name was not consistent. In network it's "component" and "name" (for "Line", "bla"); in sub_network it's sometimes nothing and sometimes "type"...

Store marginal cost does not seem symmetric

1

### Version Checks (indicate both or one) - [x] I have confirmed this bug exists on the lastest [release](https://github.com/pypsa/pypsa/releases) of PyPSA. - [x] I have confirmed this bug exists on...