old_contents: 
  __version__ = '0.2.9'
  
  from oceanoptics.spectrometers.XXX2000 import USB2000, HR2000
  from oceanoptics.spectrometers.XXX2000plus import USB2000plus, HR2000plus
  from oceanoptics.spectrometers.XXX4000 import USB4000, HR4000
  from oceanoptics.spectrometers.MAYA import MAYA
  from oceanoptics.spectrometers.MAYA2000pro import MAYA2000pro
  from oceanoptics.spectrometers.APEX import APEX
  from oceanoptics.spectrometers.QE65xxx import QE65000, QE65pro
  from oceanoptics.spectrometers.TORUS import TORUS
  from oceanoptics.spectrometers.STS import STS
  
  from oceanoptics.defines import OceanOpticsError
  
  from oceanoptics.utils import get_a_random_spectrometer
  
new_contents: 
  __version__ = '0.2.9'
  
  from oceanoptics.spectrometers.XXX2000 import USB2000, HR2000, USB650
  from oceanoptics.spectrometers.XXX2000plus import USB2000plus, HR2000plus
  from oceanoptics.spectrometers.XXX4000 import USB4000, HR4000
  from oceanoptics.spectrometers.MAYA import MAYA
  from oceanoptics.spectrometers.MAYA2000pro import MAYA2000pro
  from oceanoptics.spectrometers.APEX import APEX
  from oceanoptics.spectrometers.QE65xxx import QE65000, QE65pro
  from oceanoptics.spectrometers.TORUS import TORUS
  from oceanoptics.spectrometers.STS import STS
  
  from oceanoptics.defines import OceanOpticsError
  
  from oceanoptics.utils import get_a_random_spectrometer
  
subject: Update __init__.py