diff options
Diffstat (limited to 'Lib/traceback.py')
| -rw-r--r-- | Lib/traceback.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/traceback.py b/Lib/traceback.py index b028db0717..cb913eebae 100644 --- a/Lib/traceback.py +++ b/Lib/traceback.py @@ -274,6 +274,8 @@ def format_exc(limit=None, chain=True): def print_last(limit=None, file=None, chain=True): """This is a shorthand for 'print_exception(sys.last_type, sys.last_value, sys.last_traceback, limit, file)'.""" + if not hasattr(sys, "last_type"): + raise ValueError("no last exception") if file is None: file = sys.stderr print_exception(sys.last_type, sys.last_value, sys.last_traceback, |