old_contents: from pint import UnitRegistry
  ureg = UnitRegistry()
  ureg.autoconvert_offset_to_baseunit = True
  Q_ = ureg.Quantity
  
  __version__ = "0.5.1"
new_contents: from pint import UnitRegistry
  ureg = UnitRegistry()
  ureg.autoconvert_offset_to_baseunit = True
  Q_ = ureg.Quantity
  
  __version__ = "0.5.2"
subject: bump version to 0.5.2