unparse.py: fix mispaced parentheses in chained comparisons

Demo/parser/test_unparse.py

@@ -53,6 +53,10 @@ class UnparseTestCase(unittest.TestCase):
         self.check_roundtrip("not True or False")
         self.check_roundtrip("True or not False")
 
+    def test_chained_comparisons(self):
+        self.check_roundtrip("1 < 4 <= 5")
+        self.check_roundtrip("a is b is c is not d")
+
 
 def test_main():
     test_support.run_unittest(UnparseTestCase)

Demo/parser/unparse.py

@@ -388,7 +388,7 @@ class Unparser:
         for o, e in zip(t.ops, t.comparators):
             self.write(" " + self.cmpops[o.__class__.__name__] + " ")
             self.dispatch(e)
-            self.write(")")
+        self.write(")")
 
     boolops = {_ast.And: 'and', _ast.Or: 'or'}
     def _BoolOp(self, t):