support: temp_dir() and change_cwd() uses repr() in error message

Serhiy Storshaka pointed me that str(path) can emit a BytesWarning: use
repr(path) instead.

1 files changed, 3 insertions, 3 deletions

diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index dd0c7bc232..0dbe02eeb3 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -158,7 +158,7 @@ class TestSupport(unittest.TestCase):
         self.assertEqual(len(warnings), 1, warnings)
         warn = warnings[0]
         self.assertTrue(warn.startswith(f'tests may fail, unable to create '
-                                        f'temporary directory {path}: '),
+                                        f'temporary directory {path!r}: '),
                         warn)
 
     # Tests for change_cwd()
@@ -204,7 +204,7 @@ class TestSupport(unittest.TestCase):
         warn = warnings[0]
         self.assertTrue(warn.startswith(f'tests may fail, unable to change '
                                         f'the current working directory '
-                                        f'to {bad_dir}: '),
+                                        f'to {bad_dir!r}: '),
                         warn)
 
     # Tests for change_cwd()
@@ -221,7 +221,7 @@ class TestSupport(unittest.TestCase):
         msg = messages[0]
         self.assertTrue(msg.startswith(f'tests may fail, unable to change '
                                        f'the current working directory '
-                                       f'to {path}: '),
+                                       f'to {path!r}: '),
                         msg)
 
     # Tests for temp_cwd()