old_contents: # -*- coding: utf-8 -*-
  
  from pint import UnitRegistry
  
  
  def _build_unit_registry():
      ureg = UnitRegistry()
      ureg.define('FPS = 1 * hertz')
  
      return ureg
  
  units = _build_unit_registry()
  
new_contents: # -*- coding: utf-8 -*-
  
  from pint import UnitRegistry
  
  
  def _build_unit_registry():
      ureg = UnitRegistry()
      ureg.define('FPS = 1 * hertz')
  
      return ureg
  
  
  units = _build_unit_registry()
  
subject: Fix flake8