diff options
Diffstat (limited to 'Lib/warnings.py')
| -rw-r--r-- | Lib/warnings.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Lib/warnings.py b/Lib/warnings.py index b8ff078..4ad6ad0 100644 --- a/Lib/warnings.py +++ b/Lib/warnings.py @@ -58,15 +58,16 @@ def _formatwarnmsg_impl(msg): # catch Exception, not only ImportError and RecursionError. except Exception: # don't suggest to enable tracemalloc if it's not available - tracing = True + suggest_tracemalloc = False tb = None else: - tracing = tracemalloc.is_tracing() try: + suggest_tracemalloc = not tracemalloc.is_tracing() tb = tracemalloc.get_object_traceback(msg.source) except Exception: # When a warning is logged during Python shutdown, tracemalloc # and the import machinery don't work anymore + suggest_tracemalloc = False tb = None if tb is not None: @@ -85,7 +86,7 @@ def _formatwarnmsg_impl(msg): if line: line = line.strip() s += ' %s\n' % line - elif not tracing: + elif suggest_tracemalloc: s += (f'{category}: Enable tracemalloc to get the object ' f'allocation traceback\n') return s |