diff options
Diffstat (limited to 'Lib/email/header.py')
| -rw-r--r-- | Lib/email/header.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Lib/email/header.py b/Lib/email/header.py index e03e42d..786a71f 100644 --- a/Lib/email/header.py +++ b/Lib/email/header.py @@ -341,10 +341,11 @@ class _ValueFormatter: self._current_line = _Accumulator(headerlen) def __str__(self): - # Remove the trailing TRANSITIONAL_SPACE - last_line = self._current_line.pop() - if last_line is not TRANSITIONAL_SPACE: - self._current_line.push(last_line) + # Remove any trailing TRANSITIONAL_SPACE + if len(self._current_line) > 0: + last_line = self._current_line.pop() + if last_line is not TRANSITIONAL_SPACE: + self._current_line.push(last_line) self.newline() return NL.join(self._lines) |