fix occasional false positives

2 files changed, 4 insertions, 2 deletions

diff --git a/psutil/tests/test_contracts.py b/psutil/tests/test_contracts.py
index 4cf417ba..29e1b719 100755
--- a/psutil/tests/test_contracts.py
+++ b/psutil/tests/test_contracts.py
@@ -28,7 +28,6 @@ from psutil import OSX
 from psutil import POSIX
 from psutil import SUNOS
 from psutil import WINDOWS
-from psutil._common import isfile_strict
 from psutil._compat import FileNotFoundError
 from psutil._compat import long
 from psutil._compat import range
@@ -590,9 +589,11 @@ class TestFetchAllProcesses(PsutilTestCase):
                 continue
             assert os.path.isabs(f.path), f
             try:
-                assert isfile_strict(f.path), f
+                st = os.stat(f.path)
             except FileNotFoundError:
                 pass
+            else:
+                assert stat.S_ISREG(st.st_mode), f
 
     def num_fds(self, ret, info):
         self.assertIsInstance(ret, int)
diff --git a/psutil/tests/test_process.py b/psutil/tests/test_process.py
index 61890b8e..59942f59 100755
--- a/psutil/tests/test_process.py
+++ b/psutil/tests/test_process.py
@@ -551,6 +551,7 @@ class TestProcess(PsutilTestCase):
             p.cpu_times().system,
             sum([x.system_time for x in p.threads()]), delta=0.1)
 
+    @retry_on_failure()
     def test_memory_info(self):
         p = psutil.Process()