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-rw-r--r--Lib/lib2to3/pgen2/driver.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/lib2to3/pgen2/driver.py b/Lib/lib2to3/pgen2/driver.py
index 4c611c6640..3ccc69dcf6 100644
--- a/Lib/lib2to3/pgen2/driver.py
+++ b/Lib/lib2to3/pgen2/driver.py
@@ -123,7 +123,7 @@ def load_grammar(gt="Grammar.txt", gp=None,
logger.info("Writing grammar tables to %s", gp)
try:
g.dump(gp)
- except IOError as e:
+ except OSError as e:
logger.info("Writing failed:"+str(e))
else:
g = grammar.Grammar()