first_stage_test: Open /dev/zero in binary mode

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
1 week ago · f7ca6af62d
parent 0ab5b425d8
commit f7ca6af62d
1 changed files with 1 additions and 1 deletions
--- a/tests/first_stage_test.py
+++ b/tests/first_stage_test.py
@ -34,7 +34,7 @@ class CommandLineTest(testlib.RouterMixin, testlib.TestCase):
        options = mitogen.parent.Options(max_message_size=123)
        conn = mitogen.parent.Connection(options, self.router)
        conn.context = mitogen.core.Context(None, 123)
-        fp = open("/dev/zero", "r")
+        fp = open("/dev/zero", "rb")
        try:
            proc = testlib.subprocess.Popen(
                args=conn.get_boot_command(),