Fix a bug in traceback.format_exception_only() that led to an error

being raised when print_exc() was called without an exception set.
In version 2.4, this printed "None", restored that behavior.
This commit is contained in:
Georg Brandl 2006-09-24 12:50:24 +00:00
parent a10d3afed2
commit c7986cee76
3 changed files with 9 additions and 1 deletions

View file

@ -170,7 +170,7 @@ def format_exception_only(etype, value):
# would throw another exception and mask the original problem.
if (isinstance(etype, BaseException) or
isinstance(etype, types.InstanceType) or
type(etype) is str):
etype is None or type(etype) is str):
return [_format_final_exc_line(etype, value)]
stype = etype.__name__