Issue2495: tokenize.untokenize did not insert space between two consecutive string literals:
"" "" becomes """", which is invalid code.
Backport of r61979.
diff --git a/Misc/NEWS b/Misc/NEWS
index 0a182bd..695e71b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,10 @@
Library
-------
+- Issue #2495: tokenize.untokenize now inserts a space between two consecutive
+ string literals; previously, ["" ""] was rendered as [""""], which is
+ incorrect python code.
+
- Issue #2482: Make sure that the coefficient of a Decimal is always
stored as a str instance, not as a unicode instance. This ensures
that str(Decimal) is always an instance of str. This fixes a