diff --git a/glances/compat.py b/glances/compat.py
index c30e019e..a85d433a 100644
--- a/glances/compat.py
+++ b/glances/compat.py
@@ -25,27 +25,16 @@ import operator
 import sys
 import unicodedata
 import types
-import platform
 import subprocess
 
 from glances.logger import logger
 
-PY_CYTHON = platform.python_implementation() == 'CPython'
-PY_PYPY = platform.python_implementation() == 'PyPy'
-PY_JYTHON = platform.python_implementation() == 'Jython'
-PY_IRON = platform.python_implementation() == 'IronPython'
 PY3 = sys.version_info[0] == 3
 
-try:
-    from statistics import mean
-except ImportError:
-    # Statistics is only available for Python 3.4 or higher
-    def mean(numbers):
-        return float(sum(numbers)) / max(len(numbers), 1)
-
 if PY3:
     import queue
     from configparser import ConfigParser, NoOptionError, NoSectionError
+    from statistics import mean
     from xmlrpc.client import Fault, ProtocolError, ServerProxy, Transport, Server
     from xmlrpc.server import SimpleXMLRPCRequestHandler, SimpleXMLRPCServer
     from urllib.request import urlopen
@@ -135,6 +124,9 @@ else:
     viewvalues = operator.methodcaller('viewvalues')
     viewitems = operator.methodcaller('viewitems')
 
+    def mean(numbers):
+        return float(sum(numbers)) / max(len(numbers), 1)
+
     def to_ascii(s):
         """Convert the unicode 's' to a ASCII string
         Usefull to remove accent (diacritics)"""
diff --git a/glances/thresholds.py b/glances/thresholds.py
index 845e19cb..f56ce2ae 100644
--- a/glances/thresholds.py
+++ b/glances/thresholds.py
@@ -22,6 +22,7 @@ Thresholds classes: OK, CAREFUL, WARNING, CRITICAL
 """
 
 import sys
+from functools import total_ordering
 
 
 class GlancesThresholds(object):
@@ -63,6 +64,7 @@ class GlancesThresholds(object):
 glances_thresholds = GlancesThresholds()
 
 
+@total_ordering
 class _GlancesThreshold(object):
 
     """Father class for all other Thresholds"""
@@ -79,9 +81,11 @@ class _GlancesThreshold(object):
     def __str__(self):
         return self.description()
 
-    def __cmp__(self, other):
-        """Override the default comparaison behavior"""
-        return self.value().__cmp__(other.value())
+    def __lt__(self, other):
+        return self.value() < other.value()
+
+    def __eq__(self, other):
+        return self.value() == other.value()
 
 
 class GlancesThresholdOk(_GlancesThreshold):
diff --git a/unitest.py b/unitest.py
index 015bc46b..84a8e4c7 100755
--- a/unitest.py
+++ b/unitest.py
@@ -28,7 +28,6 @@ from glances.stats import GlancesStats
 from glances import __version__
 from glances.globals import WINDOWS, LINUX
 from glances.outputs.glances_bars import Bar
-from glances.compat import PY3, PY_PYPY
 from glances.thresholds import GlancesThresholdOk
 from glances.thresholds import GlancesThresholdCareful
 from glances.thresholds import GlancesThresholdWarning
@@ -213,8 +212,6 @@ class TestGlances(unittest.TestCase):
         self.assertTrue(type(stats_grab) is list, msg='GPU stats is not a list')
         print('INFO: GPU stats: %s' % stats_grab)
 
-    @unittest.skipIf(PY3, True)
-    @unittest.skipIf(PY_PYPY, True)
     def test_094_thresholds(self):
         """Test thresholds classes"""
         print('INFO: [TEST_094] Thresholds')
@@ -226,11 +223,11 @@ class TestGlances(unittest.TestCase):
         self.assertTrue(careful < warning)
         self.assertTrue(warning < critical)
         self.assertFalse(ok > careful)
-        self.assertTrue(ok == ok)
-        self.assertTrue(str(ok) == 'OK')
+        self.assertEqual(ok, ok)
+        self.assertEqual(str(ok), 'OK')
         thresholds = GlancesThresholds()
         thresholds.add('cpu_percent', 'OK')
-        self.assertTrue(thresholds.get(stat_name='cpu_percent').description() == 'OK')
+        self.assertEqual(thresholds.get(stat_name='cpu_percent').description(), 'OK')
 
     def test_095_methods(self):
         """Test mandatories methods"""