r-prefix strs with \ in the tests

Author: gpshead

Lib/test/test_email/test_email.py

@@ -3383,7 +3383,7 @@ def test_getaddresses_nasty(self):
            ['foo: ;', '"Jason R. Mastaler" <[email protected]>']),
            [('', ''), ('Jason R. Mastaler', '[email protected]')])
         eq(utils.getaddresses(
-           ['Pete(A nice \) chap) <pete(his account)@silly.test(his host)>']),
+           [r'Pete(A nice \) chap) <pete(his account)@silly.test(his host)>']),
            [('Pete (A nice ) chap his account his host)', '[email protected]')])
         eq(utils.getaddresses(
            ['(Empty list)(start)Undisclosed recipients  :(nobody(I know))']),
@@ -3401,7 +3401,7 @@ def test_getaddresses_nasty(self):
            ['Undisclosed recipients:;']),
            [('', '')])
         eq(utils.getaddresses(
-           ['<[email protected]>, "Giant; \"Big\" Box" <[email protected]>']),
+           [r'<[email protected]>, "Giant; \"Big\" Box" <[email protected]>']),
            [('', '[email protected]'), ('Giant;  Big  Box', '[email protected]')])
 
     def test_getaddresses_embedded_comment(self):