Add obvious needed else clause to format_exception().

diff --git a/Lib/traceback.py b/Lib/traceback.py
index 7fc209ee143f3b6bd76918e866596619c8f715be..70d323034ff5a62301268694f51b05851ed9eeac 100644 (file)
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -87,6 +87,8 @@ def format_exception(etype, value, tb, limit = None):
        if tb:
                list = ['Traceback (innermost last):\n']
                list = list + format_tb(tb, limit)
+       else:
+               list = []
        list = list + format_exception_only(etype, value)
        return list