I created a set of custom processes, which take some flows from the ecodb as inputs and output a set of parts that then converge in a single product flow/process that represent my full assembly. In openLCA, I'm able to set up the product system and perform the calculation, and see the % contribution of an impact category of each custom process. But how do I do that using the pyton IPC library? I read the documentation from the python-ipc github page but there is no mention of how to do that specifically. Most I've been able to achieve was getting the value of impact category using get_impact_contributions_of
