• Password Problem

Question related to mission House Password

 

My Code is not working correcty what is the issue

def checkio(data): 

if len(data) >= 10 and data.isalnum() == True and data.isupper == False and data.islower() == False:
    return True
else:
    return False
Created at: Sept. 5, 2015, 6:41 p.m.; Updated at: Sept. 5, 2015, 8:01 p.m.