Fix in change password

pastafariutils/unix.py

@@ -32,6 +32,8 @@ def add_user(user, password='', group='', user_directory='', shell='/usr/sbin/no
 
         if group!='':
             
+            # Buggy, need fix. 
+            
             stat_group=os.stat('/home/%s' % user_directory)
             gid=stat_group.st_gid
 
@@ -57,6 +59,8 @@ def change_password(user, new_password):
         if call("sudo echo \"%s:%s\" | chpasswd" % (user, new_password),  shell=True, stdout=DEVNULL) > 0:
             
             return (True, 'Change password successfully')
+        else:
+            return (False, 'I cannot change password')
 
     except KeyError: