Remove unused module in tornado.platform.asyncio

diff --git a/tornado/platform/asyncio.py b/tornado/platform/asyncio.py
index b40f0141a37fc0f0872f8da04900f87ea24025f7..dd6722a49d2f7c987878c7ce8484bf7a92cbcd77 100644 (file)
--- a/tornado/platform/asyncio.py
+++ b/tornado/platform/asyncio.py
@@ -10,12 +10,10 @@ unfinished callbacks on the event loop that fail when it resumes)
 """
 
 from __future__ import absolute_import, division, print_function, with_statement
-import datetime
 import functools
 
 from tornado.ioloop import IOLoop
 from tornado import stack_context
-from tornado.util import timedelta_to_seconds
 
 try:
     # Import the real asyncio module for py33+ first.  Older versions of the