Update direct_link_generator.py

bot/helper/mirror_utils/download_utils/direct_link_generator.py

@@ -9,7 +9,7 @@
 for original authorship. """
 
 import math
-
+import time
 from requests import get as rget, head as rhead, post as rpost, Session as rsession
 from re import findall as re_findall, sub as re_sub, match as re_match, search as re_search
 import requests