Use a file context manager for test_ioctl.
diff --git a/Lib/test/test_ioctl.py b/Lib/test/test_ioctl.py
index 6c7ab0c..817d626 100644
--- a/Lib/test/test_ioctl.py
+++ b/Lib/test/test_ioctl.py
@@ -30,10 +30,10 @@
# If this process has been put into the background, TIOCGPGRP returns
# the session ID instead of the process group id.
ids = (os.getpgrp(), os.getsid(0))
- tty = open("/dev/tty", "r")
- r = fcntl.ioctl(tty, termios.TIOCGPGRP, " ")
- rpgrp = struct.unpack("i", r)[0]
- self.assertIn(rpgrp, ids)
+ with open("/dev/tty", "r") as tty:
+ r = fcntl.ioctl(tty, termios.TIOCGPGRP, " ")
+ rpgrp = struct.unpack("i", r)[0]
+ self.assertIn(rpgrp, ids)
def _check_ioctl_mutate_len(self, nbytes=None):
buf = array.array('i')