[2172] set some more members to None initially

src/lib/python/isc/sysinfo/sysinfo.py

@@ -31,9 +31,9 @@ class SysInfo:
         self._platform_name = 'Unknown'
         self._platform_version = 'Unknown'
         self._platform_machine = 'Unknown'
-        self._platform_is_smp = False
+        self._platform_is_smp = None
         self._uptime = None
-        self._loadavg = [-1.0, -1.0, -1.0]
+        self._loadavg = None
         self._mem_total = None
         self._mem_free = None
         self._mem_cached = None

src/lib/python/isc/sysinfo/tests/sysinfo_test.py

@@ -254,7 +254,7 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual('Unknown', s.get_platform_machine())
         self.assertFalse(s.get_platform_is_smp())
         self.assertEqual(None, s.get_uptime())
-        self.assertEqual([-1.0, -1.0, -1.0], s.get_loadavg())
+        self.assertEqual(None, s.get_loadavg())
         self.assertEqual(None, s.get_mem_total())
         self.assertEqual(None, s.get_mem_free())
         self.assertEqual(None, s.get_mem_cached())
@@ -283,7 +283,7 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual('Unknown', s.get_platform_machine())
         self.assertFalse(s.get_platform_is_smp())
         self.assertEqual(131072, s.get_uptime())
-        self.assertEqual([-1.0, -1.0, -1.0], s.get_loadavg())
+        self.assertEqual(None, s.get_loadavg())
         self.assertEqual(None, s.get_mem_total())
         self.assertEqual(None, s.get_mem_free())
         self.assertEqual(None, s.get_mem_cached())