1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/warnings.py b/Lib/warnings.py
index edbbb5e..b05a08e 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -16,7 +16,7 @@ def showwarning(message, category, filename, lineno, file=None, line=None):
         file = sys.stderr
     try:
         file.write(formatwarning(message, category, filename, lineno, line))
-    except IOError:
+    except OSError:
         pass # the file (probably stderr) is invalid - this warning gets lost.
 
 def formatwarning(message, category, filename, lineno, line=None):