old_contents: from __future__ import division
  from beam_parameters import BeamParameterisationOrientation # import dependency
  from crystal_parameters import CrystalOrientationParameterisation # import dependency
  from crystal_parameters import CrystalUnitCellParameterisation # import dependency
  from detector_parameters import DetectorParameterisationSinglePanel # import dependency
  from detector_parameters import DetectorParameterisationMultiPanel # import dependency
  from detector_parameters import DetectorParameterisationHierarchical # import dependency
  from prediction_parameters import PredictionParameterisation # import dependency
  from prediction_parameters import XYPhiPredictionParameterisation # import dependency
  from prediction_parameters_stills import XYPredictionParameterisation # import dependency
  from scan_varying_crystal_parameters import ScanVaryingCrystalOrientationParameterisation # import dependency
  from scan_varying_crystal_parameters import ScanVaryingCrystalUnitCellParameterisation # import dependency
  from scan_varying_prediction_parameters import VaryingCrystalPredictionParameterisation  # import dependency
  from parameter_report import ParameterReporter # import dependency
  
new_contents: from __future__ import division
  from beam_parameters import BeamParameterisationOrientation # import dependency
  from crystal_parameters import CrystalOrientationParameterisation # import dependency
  from crystal_parameters import CrystalUnitCellParameterisation # import dependency
  from detector_parameters import DetectorParameterisationSinglePanel # import dependency
  from detector_parameters import DetectorParameterisationMultiPanel # import dependency
  from detector_parameters import DetectorParameterisationHierarchical # import dependency
  from prediction_parameters import PredictionParameterisation # import dependency
  from prediction_parameters import XYPhiPredictionParameterisation # import dependency
  from scan_varying_crystal_parameters import ScanVaryingCrystalOrientationParameterisation # import dependency
  from scan_varying_crystal_parameters import ScanVaryingCrystalUnitCellParameterisation # import dependency
  from scan_varying_prediction_parameters import VaryingCrystalPredictionParameterisation  # import dependency
  from parameter_report import ParameterReporter # import dependency
  
subject: remove non-existent import