one two 3 four five six 7 eight 9 ten eleven 12

Hi, I run code in pycharm and that's my code:

    def checkio(words: str) -> bool:
    count=0
    array_of_w=words.split()
    for word in array_of_w:
        print(word)
        if word.isalpha():
            count+=1
        else:
            count = 0
    if count >=3:
        return True
    else:
        return False

I get an error: Your result:false one two 3 four five six 7 eight 9 ten eleven 12 Right result:true Fail:undefined("one two 3 four five six 7 eight 9 ten eleven 12")

also among my asserts there isn't string " "one two 3 four five six 7 eight 9 ten eleven 12" There are only: * "Hello World hello" * "He is 123 man" * "1 2 3 4" * "bla bla bla bla" * "Hi" There is not string like in the error