diff -r 1369e51182b7 Doc/tutorial/errors.rst
--- a/Doc/tutorial/errors.rst	Wed Nov 16 16:12:56 2016 +0200
+++ b/Doc/tutorial/errors.rst	Wed Nov 16 20:51:11 2016 +0530
@@ -174,7 +174,7 @@
    for arg in sys.argv[1:]:
        try:
            f = open(arg, 'r')
-       except IOError:
+       except OSError:
            print('cannot open', arg)
        else:
            print(arg, 'has', len(f.readlines()), 'lines')