Function dedup

tinygrad/helpers.py:23–23

(x:Iterable[T])

if WIN: os.system("")

def dedup(x:Iterable[T]): return list(dict.fromkeys(x))   # retains list order
def argfix(*x):
  if x and x[0].__class__ in (tuple, list):
    if len(x) != 1: raise ValueError(f"bad arg {x}")