add NEWS entry

JelleZijlstra · JelleZijlstra · commit 290802ffb8ca · 2017-10-10T18:56:51.000-07:00
diff --git a/Misc/NEWS.d/next/Library/2017-10-10-18-56-46.bpo-30241.F_go20.rst b/Misc/NEWS.d/next/Library/2017-10-10-18-56-46.bpo-30241.F_go20.rst
@@ -0,0 +1 @@
+Add contextlib.AbstractAsyncContextManager. Patch by Jelle Zijlstra.

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	`1`	`+Add contextlib.AbstractAsyncContextManager. Patch by Jelle Zijlstra.`