diff options
Diffstat (limited to 'Lib/warnings.py')
| -rw-r--r-- | Lib/warnings.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/warnings.py b/Lib/warnings.py index 383e623..a74e1ba 100644 --- a/Lib/warnings.py +++ b/Lib/warnings.py @@ -107,7 +107,10 @@ def showwarning(message, category, filename, lineno, file=None): """Hook to write a warning to a file; replace if you like.""" if file is None: file = sys.stderr - file.write(formatwarning(message, category, filename, lineno)) + try: + file.write(formatwarning(message, category, filename, lineno)) + except IOError: + pass # the file (probably stderr) is invalid - this warning gets lost. def formatwarning(message, category, filename, lineno): """Function to format a warning the standard way.""" |