old_contents: from .atomic_data import AtomicData
  from .collisional_radiative import CollRadEquilibrium
  from .time_dependent_rates import RateEquations, RateEquationsWithDiffusion
  from .radiation import Radiation
  from .electron_cooling import ElectronCooling
  
  element = AtomicData.from_element
  
  
new_contents: import os, sys
  sys.path.append(os.path.join(os.path.dirname(__file__)))
  from .atomic_data import AtomicData
  from .collisional_radiative import CollRadEquilibrium
  from .time_dependent_rates import RateEquations, RateEquationsWithDiffusion
  from .radiation import Radiation
  from .electron_cooling import ElectronCooling
  
  element = AtomicData.from_element
  
  
subject: Set path to find _xxdata.so files