diff --git a/comments.py b/comments.py
index c6507a2..a0c5d1f 100755
--- a/comments.py
+++ b/comments.py
@@ -6,7 +6,7 @@ import random
 import base64
 from io import BytesIO
 from captcha.image import ImageCaptcha
-import time
+import time, string
 print("Content-type: text/html\r\n\r\n")
 form=cgi.FieldStorage()
 aid=form["aid"]