code: def lossless_float_to_int(funcname, func, argname, arg):
      
      if not isinstance(arg, float):
          return arg
  
      arg_as_int = int(arg)
      if arg == arg_as_int:
          warnings.warn(
              "{f} expected an int for argument {name!r}, but got float {arg}."
              " Coercing to int.".format(
                  f=funcname,
                  name=argname,
                  arg=arg,
              ),
          )
          return arg_as_int
  
      raise TypeError(arg)
docs: A preprocessor that coerces integral floats to ints.
  
      Receipt of non-integral floats raises a TypeError.