diff options
Diffstat (limited to 'Lib/traceback.py')
| -rw-r--r-- | Lib/traceback.py | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Lib/traceback.py b/Lib/traceback.py index 8d4e96e..eeb9e73 100644 --- a/Lib/traceback.py +++ b/Lib/traceback.py @@ -119,15 +119,16 @@ def _iter_chain(exc, custom_tb=None, seen=None): seen = set() seen.add(exc) its = [] + context = exc.__context__ cause = exc.__cause__ if cause is not None and cause not in seen: - its.append(_iter_chain(cause, None, seen)) + its.append(_iter_chain(cause, False, seen)) its.append([(_cause_message, None)]) - else: - context = exc.__context__ - if context is not None and context not in seen: - its.append(_iter_chain(context, None, seen)) - its.append([(_context_message, None)]) + elif (context is not None and + not exc.__suppress_context__ and + context not in seen): + its.append(_iter_chain(context, None, seen)) + its.append([(_context_message, None)]) its.append([(exc, custom_tb or exc.__traceback__)]) # itertools.chain is in an extension module and may be unavailable for it in its: |