fix inspect.formatargspec on functions with keyword-only arguments without defaults #4959
diff --git a/Misc/NEWS b/Misc/NEWS
index 7588f46..28cd6b6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -126,6 +126,9 @@
 Library
 -------
 
+- Issue #4959: inspect.formatargspec now works for keyword only arguments
+  without defaults.
+
 - Issue #3826 and #4791: The socket module now closes the underlying socket
   appropriately when it is being used via socket.makefile() objects
   rather than delaying the close by waiting for garbage collection to do it.