Add test for yield tuple unpacking.

dacut · jChapman · commit 47e3ac375fef · 2018-09-15T21:22:00.000-04:00
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
@@ -987,6 +987,8 @@ def g(): f((yield 1))
         def g(): f((yield 1), 1)
         def g(): f((yield from ()))
         def g(): f((yield from ()), 1)
+        # Do not require parenthesis for tuple unpacking
+        def g(): rest = 4, 5, 6; yield 1, 2, 3, *rest
         check_syntax_error(self, "def g(): f(yield 1)")
         check_syntax_error(self, "def g(): f(yield 1, 1)")
         check_syntax_error(self, "def g(): f(yield from ())")
