error

[mtk339900]

when i choose 11 in crack wifi without wordlist thats print sh: 1: Syntax error: "|" unexpected
this is the code
elif set == "11":
test = str("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!#$%/=?{}[]-*:;")
order = "crunch {} {} {} | aircrack-ng {} -e {} -w-".format(mini,max,test,path,essid)
geny = os.system(order)