diff -r d6fcda2b9b5e Lib/asyncio/coroutines.py
--- a/Lib/asyncio/coroutines.py	Tue Oct 13 10:51:47 2015 +0200
+++ b/Lib/asyncio/coroutines.py	Tue Oct 13 13:38:02 2015 -0400
@@ -120,8 +120,8 @@
         def send(self, value):
             return self.gen.send(value)
 
-    def throw(self, exc):
-        return self.gen.throw(exc)
+    def throw(self, *exc_info):
+        return self.gen.throw(*exc_info)
 
     def close(self):
         return self.gen.close()