diff options
Diffstat (limited to 'Lib/argparse.py')
| -rw-r--r-- | Lib/argparse.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py index 2e46e76a49..370692bd1b 100644 --- a/Lib/argparse.py +++ b/Lib/argparse.py @@ -1214,8 +1214,9 @@ class FileType(object): return open(string, self._mode, self._bufsize, self._encoding, self._errors) except OSError as e: - message = _("can't open '%s': %s") - raise ArgumentTypeError(message % (string, e)) + args = {'filename': string, 'error': e} + message = _("can't open '%(filename)s': %(error)s") + raise ArgumentTypeError(message % args) def __repr__(self): args = self._mode, self._bufsize |