diff -r 31a05787eb93 Lib/asyncio/tasks.py
--- a/Lib/asyncio/tasks.py	Fri Jan 20 10:39:13 2017 -0500
+++ b/Lib/asyncio/tasks.py	Fri Jan 20 22:59:45 2017 -0800
@@ -487,7 +487,8 @@
     """
 
     warnings.warn("asyncio.async() function is deprecated, use ensure_future()",
-                  DeprecationWarning)
+                  DeprecationWarning,
+                  stacklevel=2)
 
     return ensure_future(coro_or_future, loop=loop)