fix users() test on OpenBSD

Signed-off-by: Giampaolo Rodola <g.rodola@gmail.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/psutil/tests/test_posix.py b/psutil/tests/test_posix.py
index 774c7f3c..d2631215 100755
--- a/psutil/tests/test_posix.py
+++ b/psutil/tests/test_posix.py
@@ -350,11 +350,13 @@ class TestSystemAPIs(PsutilTestCase):
             for idx, u in enumerate(psutil.users()):
                 self.assertEqual(u.name, users[idx])
                 self.assertEqual(u.terminal, terminals[idx])
-                p = psutil.Process(u.pid)
-                # on macOS time is off by ~47 secs for some reason, but
-                # the next test against 'who' CLI succeeds
-                delta = 60 if MACOS else 1
-                self.assertAlmostEqual(u.started, p.create_time(), delta=delta)
+                if u.pid is not None:  # None on OpenBSD
+                    p = psutil.Process(u.pid)
+                    # on macOS time is off by ~47 secs for some reason, but
+                    # the next test against 'who' CLI succeeds
+                    delta = 60 if MACOS else 1
+                    self.assertAlmostEqual(
+                        u.started, p.create_time(), delta=delta)
 
     @retry_on_failure()
     def test_users_started(self):