regrtest.py: disable replace_stdout() on Windows until it is fixed

See issue #8533 (problem with newlines on Windows).

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index e92a3f700aac1b272a157001a69b706698b766fb..00ea0d62b18abafe77651b13f312adbf9616551e 100755 (executable)
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -733,6 +733,9 @@ def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
 def replace_stdout():
     """Set stdout encoder error handler to backslashreplace (as stderr error
     handler) to avoid UnicodeEncodeError when printing a traceback"""
+    if os.name == "nt":
+        # Replace sys.stdout breaks the stdout newlines on Windows: issue #8533
+        return
     stdout = sys.stdout
     sys.stdout = open(stdout.fileno(), 'w',
         encoding=stdout.encoding,