old_contents: # export user-relevant objects:
  from scip import Model
  from linexpr import quicksum
  from Multidict import multidict
  
new_contents: # export user-relevant objects:
  from pyscipopt.scip import Model
  from pyscipopt.linexpr import quicksum
  from pyscipopt.Multidict import multidict
  
subject: fix imports in `__init__.py`