old_contents: from tremendous.bindings import lib
  from tremendous.bindings import ffi
  
  def apply_format(color, body):
      s = lib.apply_format(color, body)
      return ffi.string(s)
  
  def apply_formats(colors, body):
      if isinstance(colors, int):
          colors = [colors]
  
      for c in colors:
          body = apply_format(c, body)
  
      return body
  
new_contents: from tremendous.bindings import lib
  from tremendous.bindings import ffi
  
  def apply_format(color, body):
      s = lib.apply_format(color, body)
      return ffi.string(s)
  
subject: remove apply_formats function