diff options
-rwxr-xr-x | Lib/test/regrtest.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py index a82c6ee..1426c3e 100755 --- a/Lib/test/regrtest.py +++ b/Lib/test/regrtest.py @@ -845,9 +845,12 @@ def runtest(test, verbose, quiet, # tests keep a reference to sys.stdout or sys.stderr # (eg. test_argparse). if runtest.stringio is None: - runtest.stringio = io.StringIO() - stream = runtest.stringio - stream.truncate(0) + stream = io.StringIO() + runtest.stringio = stream + else: + stream = runtest.stringio + stream.seek(0) + stream.truncate() orig_stdout = sys.stdout orig_stderr = sys.stderr |