old_contents: __author__ = 'Matthew Wardrop'
  __author_email__ = 'mister dot <surname> at gmail'
  __version__ = '0.9'
  
  import numpy as np
  
  from quantities import Quantity,SIQuantity
  from units import UnitsDispenser, Units, Unit
  from definitions import SIDispenser
  from parameters import Parameters, Bounds
  
new_contents: __author__ = 'Matthew Wardrop'
  __author_email__ = 'mister dot <surname> at gmail'
  __version__ = '0.9'
  
  import numpy as np
  
  from .quantities import Quantity,SIQuantity
  from .units import UnitsDispenser, Units, Unit
  from .definitions import SIDispenser
  from .parameters import Parameters, Bounds
  
subject: Use relative imports in __init__.py