Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
diff --git a/Misc/NEWS b/Misc/NEWS
index 89304b0..a98accd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@
 Core and builtins
 -----------------
 
+- Patch #1491866: change the complex() constructor to allow parthensized
+  forms. This means complex(repr(x)) now works instead of raising a
+  ValueError.
+
 - Patch #703779: unset __file__ in __main__ after running a file. This
   makes the filenames the warning module prints much more sensible when
   a PYTHONSTARTUP file is used.