[SAtalk] spamassassin and razor won't work together

I am new to spamassassin, and tried to figure this out by myself, but unfortunately failed.   I am trying to use spamassassin with razor enabled, but running spamassassin -tD < sample-spam.txt always shows:   debug: Razor2 is available debug: Razor2 is available debug: entering helper

[SAtalk] spamassassin and razor won't work together

I am new to spamassassin, and tried to figure this out by myself, but unfortunately failed. I am trying to use spamassassin with razor enabled, but running spamassassin -tD < sample-spam.txt always shows: debug: Razor2 is available debug: Razor2 is available debug: entering helper-app run mode ra