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-rwxr-xr-xLib/dos-8x3/tracebac.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/dos-8x3/tracebac.py b/Lib/dos-8x3/tracebac.py
index d508e03..70d3230 100755
--- a/Lib/dos-8x3/tracebac.py
+++ b/Lib/dos-8x3/tracebac.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
@@ -186,9 +188,13 @@ def extract_stack(f=None, limit = None):
# with -O on).
# Coded by Marc-Andre Lemburg from the example of PyCode_Addr2Line()
# in compile.c.
+# Revised version by Jim Hugunin to work with JPython too.
def tb_lineno(tb):
c = tb.tb_frame.f_code
+ if not hasattr(c, 'co_lnotab'):
+ return tb.tb_lineno
+
tab = c.co_lnotab
line = c.co_firstlineno
stopat = tb.tb_lasti