Try to fix buildbot breakage from r78384.
Thanks bitdancer and briancurtin for the help.
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index 7eef4c0..5cc891d 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -9,6 +9,7 @@
import tempfile
import csv
import gc
+import io
from test import test_support
class Test_Csv(unittest.TestCase):
@@ -595,7 +596,7 @@
### "short" means there are fewer elements in the row than fieldnames
def test_write_simple_dict(self):
fd, name = tempfile.mkstemp()
- fileobj = os.fdopen(fd, "w+b")
+ fileobj = io.open(fd, 'w+b')
try:
writer = csv.DictWriter(fileobj, fieldnames = ["f1", "f2", "f3"])
writer.writeheader()