From ce578831a4e573eac422a488930100bc5380f227 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hakan=20=C3=87elik?= <hakancelik96@outlook.com>
Date: Sat, 18 Apr 2020 19:17:19 +0300
Subject: [PATCH] Add spaces around the ":=" operator in ast_unparse.c
 (GH-19568)

---
 Lib/test/test_future.py | 4 ++--
 Python/ast_unparse.c    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_future.py b/Lib/test/test_future.py
index 0522003d3c9..fdca2312fab 100644
--- a/Lib/test/test_future.py
+++ b/Lib/test/test_future.py
@@ -296,8 +296,8 @@ def test_annotations(self):
         eq('f((x for x in a), 2)')
         eq('(((a)))', 'a')
         eq('(((a, b)))', '(a, b)')
-        eq("(x:=10)")
-        eq("f'{(x:=10):=10}'")
+        eq("(x := 10)")
+        eq("f'{(x := 10):=10}'")
         eq("1 + 2 + 3")
 
     def test_fstring_debug_annotations(self):
diff --git a/Python/ast_unparse.c b/Python/ast_unparse.c
index 443e7125d77..d1e9d42d33b 100644
--- a/Python/ast_unparse.c
+++ b/Python/ast_unparse.c
@@ -829,7 +829,7 @@ append_named_expr(_PyUnicodeWriter *writer, expr_ty e, int level)
 {
     APPEND_STR_IF(level > PR_TUPLE, "(");
     APPEND_EXPR(e->v.NamedExpr.target, PR_ATOM);
-    APPEND_STR(":=");
+    APPEND_STR(" := ");
     APPEND_EXPR(e->v.NamedExpr.value, PR_ATOM);
     APPEND_STR_IF(level > PR_TUPLE, ")");
     return 0;