Simplify BaseEventLoop._run_once(): avoid math.ceil(), use simple arithmetic

instead

1 files changed, 1 insertions, 6 deletions

diff --git a/asyncio/base_events.py b/asyncio/base_events.py
index d082bcc..6b5116c 100644
--- a/asyncio/base_events.py
+++ b/asyncio/base_events.py
@@ -18,7 +18,6 @@ import collections
 import concurrent.futures
 import heapq
 import logging
-import math
 import socket
 import subprocess
 import time
@@ -605,8 +604,6 @@ class BaseEventLoop(events.AbstractEventLoop):
         elif self._scheduled:
             # Compute the desired timeout.
             when = self._scheduled[0]._when
-            # round deadline aways from zero
-            when = math.ceil(when / self.granularity) * self.granularity
             deadline = max(0, when - self.time())
             if timeout is None:
                 timeout = deadline
@@ -632,9 +629,7 @@ class BaseEventLoop(events.AbstractEventLoop):
         self._process_events(event_list)
 
         # Handle 'later' callbacks that are ready.
-        now = self.time()
-        # round current time aways from zero
-        now = math.ceil(now / self.granularity) * self.granularity
+        now = self.time() + self.granularity
         while self._scheduled:
             handle = self._scheduled[0]
             if handle._when > now: