diff --git a/glances/core/glances_client.py b/glances/core/glances_client.py
index e207dc5d66cd3abe34b79ef690fcede2cd811ae0..5e3f2c7101e410ef3f38ba133400febb17a03641 100644
--- a/glances/core/glances_client.py
+++ b/glances/core/glances_client.py
@@ -32,10 +32,10 @@ except ImportError:  # Python 2
 # Import Glances libs
 from glances.core.glances_globals import version
 from glances.core.glances_stats import GlancesStatsClient
-from glances.outputs.glances_curses import glancesCurses
+from glances.outputs.glances_curses import GlancesCurses
 
 
-class GlancesClient():
+class GlancesClient(object):
     """
     This class creates and manages the TCP client
     """
@@ -126,7 +126,7 @@ class GlancesClient():
             self.stats.load_limits(self.config)
 
             # Init screen
-            self.screen = glancesCurses(args=self.args)
+            self.screen = GlancesCurses(args=self.args)
 
         # Return result
         return ret
@@ -201,4 +201,3 @@ class GlancesClient():
         End of the client session
         """
         self.screen.end()
-
diff --git a/glances/core/glances_globals.py b/glances/core/glances_globals.py
index 7de11090f7e60ab45aa5914dd1d31d1b4e199658..5b46cee4c877f1263909b7b062127af9a42d19bc 100644
--- a/glances/core/glances_globals.py
+++ b/glances/core/glances_globals.py
@@ -60,9 +60,9 @@ else:
 # ============================================
 
 # glances_processes for processcount and processlist plugins
-from glances.core.glances_processes import glancesProcesses
-glances_processes = glancesProcesses()
+from glances.core.glances_processes import GlancesProcesses
+glances_processes = GlancesProcesses()
 
 # The global instance for the logs
-from glances.core.glances_logs import glancesLogs
-glances_logs = glancesLogs()
+from glances.core.glances_logs import GlancesLogs
+glances_logs = GlancesLogs()
diff --git a/glances/core/glances_logs.py b/glances/core/glances_logs.py
index 37e3143ed12e89b99e4530a1a88afda8e2cea9ef..99f97cc0f8db7cec03daff03c24c01d6e339c7b9 100644
--- a/glances/core/glances_logs.py
+++ b/glances/core/glances_logs.py
@@ -25,7 +25,7 @@ from datetime import datetime
 from glances.core.glances_globals import glances_processes
 
 
-class glancesLogs:
+class GlancesLogs(object):
     """
     Manage logs inside the Glances software
     Logs is a list of list (stored in the self.logs_list var)
diff --git a/glances/core/glances_main.py b/glances/core/glances_main.py
index d3d2692bcdbf53ca0ed56ef261a3f24d2dc0a753..50c494822bc1c6a61416c2711b7e3f72f47cd871 100644
--- a/glances/core/glances_main.py
+++ b/glances/core/glances_main.py
@@ -175,9 +175,9 @@ class GlancesMain(object):
         """
         Hash a plain password and return the hashed one
         """
-        from glances.core.glances_password import glancesPassword
+        from glances.core.glances_password import GlancesPassword
 
-        password = glancesPassword()
+        password = GlancesPassword()
 
         return password.hash_password(plain_password)
 
@@ -187,9 +187,9 @@ class GlancesMain(object):
         - with confirmation if confirm = True
         - plain (clear password) if clear = True
         """
-        from glances.core.glances_password import glancesPassword
+        from glances.core.glances_password import GlancesPassword
 
-        password = glancesPassword()
+        password = GlancesPassword()
 
         return password.get_password(description, confirm, clear)
 
diff --git a/glances/core/glances_monitor_list.py b/glances/core/glances_monitor_list.py
index 4de6fcf05ac6d096f2ded2967f9e710de67ef9fd..33ce74c294e3287d63e4a67d2f23749877228a5f 100644
--- a/glances/core/glances_monitor_list.py
+++ b/glances/core/glances_monitor_list.py
@@ -25,7 +25,7 @@ import subprocess
 from glances.core.glances_globals import glances_processes
 
 
-class monitorList:
+class MonitorList(object):
     """
     This class describes the optionnal monitored processes list
     A list of 'important' processes to monitor.
@@ -52,11 +52,11 @@ class monitorList:
 
         if self.config is not None and self.config.has_section('monitor'):
             # Process monitoring list
-            self.__setMonitorList('monitor', 'list')
+            self.__set_monitor_list('monitor', 'list')
         else:
             self.__monitor_list = []
 
-    def __setMonitorList(self, section, key):
+    def __set_monitor_list(self, section, key):
         """
         Init the monitored processes list
         The list is defined in the Glances configuration file
diff --git a/glances/core/glances_password.py b/glances/core/glances_password.py
index 04bd738506833d6ef5542eb55db85174bd12001b..96b1bd6bfed5f63b1158f669579b93e9427fc3d6 100644
--- a/glances/core/glances_password.py
+++ b/glances/core/glances_password.py
@@ -40,7 +40,7 @@ except NameError:
     pass
 
 
-class glancesPassword:
+class GlancesPassword(object):
     """
     Manage password
     """
diff --git a/glances/core/glances_processes.py b/glances/core/glances_processes.py
index 48640b563c71b11467a455badae8f2a10df7e844..a36044d91dd0e3187987b32bdbb301e6a61d00ec 100644
--- a/glances/core/glances_processes.py
+++ b/glances/core/glances_processes.py
@@ -17,14 +17,13 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-import psutil
-
-# Import Glances lib
 from glances.core.glances_globals import is_bsd, is_mac, is_windows
 from glances.core.glances_timer import Timer, getTimeSinceLastUpdate
 
+import psutil
+
 
-class glancesProcesses:
+class GlancesProcesses(object):
     """
     Get processed stats using the PsUtil lib
     """
diff --git a/glances/core/glances_server.py b/glances/core/glances_server.py
index 0325894ae8594b8e8d3b673b00ec5bae980ac910..56244e00eee3228987e1b15cd248cbbf20d78f49 100644
--- a/glances/core/glances_server.py
+++ b/glances/core/glances_server.py
@@ -65,22 +65,22 @@ class GlancesXMLRPCHandler(SimpleXMLRPCRequestHandler):
             assert basic == 'Basic', 'Only basic authentication supported'
             #    Encoded portion of the header is a string
             #    Need to convert to bytestring
-            encodedByteString = encoded.encode()
+            encoded_byte_string = encoded.encode()
             #    Decode Base64 byte String to a decoded Byte String
-            decodedBytes = b64decode(encodedByteString)
+            decoded_bytes = b64decode(encoded_byte_string)
             #    Convert from byte string to a regular String
-            decodedString = decodedBytes.decode()
+            decoded_string = decoded_bytes.decode()
             #    Get the username and password from the string
-            (username, _, password) = decodedString.partition(':')
+            (username, _, password) = decoded_string.partition(':')
             #    Check that username and password match internal global dictionary
             return self.check_user(username, password)
 
     def check_user(self, username, password):
         # Check username and password in the dictionnary
         if username in self.server.user_dict:
-            from glances.core.glances_password import glancesPassword
+            from glances.core.glances_password import GlancesPassword
 
-            pwd = glancesPassword()
+            pwd = GlancesPassword()
 
             return pwd.check_password(self.server.user_dict[username], password)
         else:
@@ -119,7 +119,7 @@ class GlancesXMLRPCServer(SimpleXMLRPCServer):
                                     requestHandler)
 
 
-class GlancesInstance():
+class GlancesInstance(object):
     """
     All the methods of this class are published as XML RPC methods
     """
@@ -189,7 +189,7 @@ class GlancesInstance():
             raise AttributeError(item)
 
 
-class GlancesServer():
+class GlancesServer(object):
     """
     This class creates and manages the TCP server
     """
diff --git a/glances/core/glances_standalone.py b/glances/core/glances_standalone.py
index 2c89d537f09b06af31630292cf495200ced3b6e2..c6edf5894399ec658c5e74b0c510c3b6f1759f71 100644
--- a/glances/core/glances_standalone.py
+++ b/glances/core/glances_standalone.py
@@ -19,10 +19,10 @@
 
 # Import Glances libs
 from glances.core.glances_stats import GlancesStats
-from glances.outputs.glances_curses import glancesCurses
+from glances.outputs.glances_curses import GlancesCurses
 
 
-class GlancesStandalone():
+class GlancesStandalone(object):
     """
     This class creates and manages the Glances standalone session
     """
@@ -37,15 +37,15 @@ class GlancesStandalone():
 
         # Init CSV output
         if args.output_csv is not None:
-            from glances.outputs.glances_csv import glancesCSV
+            from glances.outputs.glances_csv import GlancesCSV
 
-            self.csvoutput = glancesCSV(args=args)
+            self.csvoutput = GlancesCSV(args=args)
             self.csv_tag = True
         else:
             self.csv_tag = False
 
         # Init screen
-        self.screen = glancesCurses(args=args)
+        self.screen = GlancesCurses(args=args)
 
     def serve_forever(self):
         """
diff --git a/glances/core/glances_timer.py b/glances/core/glances_timer.py
index ce9ce4ef9786334c93e8532fb37ca90bc6ba0e0c..7c5710abe541750e9c2bc464f69ccc73b163aa14 100644
--- a/glances/core/glances_timer.py
+++ b/glances/core/glances_timer.py
@@ -36,7 +36,7 @@ def getTimeSinceLastUpdate(IOType):
     return time_since_update
 
 
-class Timer:
+class Timer(object):
     """
     The timer class
     A simple chrono
@@ -57,4 +57,3 @@ class Timer:
 
     def finished(self):
         return time() > self.target
-
diff --git a/glances/core/glances_webserver.py b/glances/core/glances_webserver.py
index 6c134feb93ebe7c463bc59f8400d0d8fb0d84c05..c8249710a5a8b64298410890e293b6b76bb90166 100644
--- a/glances/core/glances_webserver.py
+++ b/glances/core/glances_webserver.py
@@ -22,10 +22,10 @@ Glances Web Interface (Bottle based)
 
 # Import Glances libs
 from glances.core.glances_stats import GlancesStats
-from glances.outputs.glances_bottle import glancesBottle
+from glances.outputs.glances_bottle import GlancesBottle
 
 
-class GlancesWebServer():
+class GlancesWebServer(object):
     """
     This class creates and manages the Glances Web Server session
     """
@@ -39,7 +39,7 @@ class GlancesWebServer():
         self.stats.update()
 
         # Init the Bottle Web server
-        self.web = glancesBottle(args=args)
+        self.web = GlancesBottle(args=args)
 
     def serve_forever(self):
         """
diff --git a/glances/outputs/glances_bottle.py b/glances/outputs/glances_bottle.py
index fe5ea208fe3d2981929fa52e3c7220dae12e4826..08673a73bc06265f7ed712898742ade6ddd3f1f1 100644
--- a/glances/outputs/glances_bottle.py
+++ b/glances/outputs/glances_bottle.py
@@ -27,7 +27,7 @@ except ImportError:
     sys.exit(1)
 
 
-class glancesBottle:
+class GlancesBottle(object):
     """
     This class manage the Bottle Web Server
     """
@@ -186,7 +186,7 @@ class glancesBottle:
                 if m['msg'].split(' ', 1)[0] != '':
                     tpl += '<span class="cell" id="%s">&nbsp;%s</span>' % \
                         (self.__style_list[m['decoration']],
-                        m['msg'].split(' ', 1)[0].replace(' ', '&nbsp;')[:20])
+                         m['msg'].split(' ', 1)[0].replace(' ', '&nbsp;')[:20])
             elif m['optional']:
                 # Manage optional stats (responsive design)
                 tpl += '<span class="cell hide" id="%s">%s</span>' % \
diff --git a/glances/outputs/glances_colorconsole.py b/glances/outputs/glances_colorconsole.py
index 20d9b1ae2d4b43f664206e5d4e2ea43ca5fb9127..f61f66a24b6b79c78c3a7294a3f93f25ad3f5776 100644
--- a/glances/outputs/glances_colorconsole.py
+++ b/glances/outputs/glances_colorconsole.py
@@ -59,7 +59,7 @@ class ListenGetch(threading.Thread):
             return default
 
 
-class Screen():
+class Screen(object):
 
     COLOR_DEFAULT_WIN = '0F'  # 07'#'0F'
     COLOR_BK_DEFAULT = colorconsole.terminal.colors["BLACK"]
@@ -116,7 +116,7 @@ class Screen():
         return None
 
 
-class WCurseLight():
+class WCurseLight(object):
 
     COLOR_WHITE = colorconsole.terminal.colors["WHITE"]
     COLOR_RED = colorconsole.terminal.colors["RED"]
diff --git a/glances/outputs/glances_csv.py b/glances/outputs/glances_csv.py
index ae17e2670e17efe48a1939b49bd281c4e9f2d0d4..4c1293447ad559c2023943cd35c73fd2afca39fc 100644
--- a/glances/outputs/glances_csv.py
+++ b/glances/outputs/glances_csv.py
@@ -28,7 +28,7 @@ from glances.core.glances_globals import is_py3
 csv_stats_list = ['cpu', 'load', 'mem', 'memswap']
 
 
-class glancesCSV:
+class GlancesCSV(object):
     """
     This class manages the CSV output
     """
diff --git a/glances/outputs/glances_curses.py b/glances/outputs/glances_curses.py
index a07f32b3b94f6b0bb7fc22facd787873d2cb81f8..147433d003707d5ee2642521addf3293d14f0568 100644
--- a/glances/outputs/glances_curses.py
+++ b/glances/outputs/glances_curses.py
@@ -37,7 +37,7 @@ else:
     curses = WCurseLight()
 
 
-class glancesCurses:
+class GlancesCurses(object):
     """
     This class manage the curses display (and key pressed)
     """
@@ -160,7 +160,7 @@ class glancesCurses:
         self.term_window.nodelay(1)
         self.pressedkey = -1
 
-    def __getkey(self, window):
+    def __get_key(self, window):
         """
         A getKey function to catch ESC key AND Numlock key (issue #163)
         """
@@ -174,10 +174,10 @@ class glancesCurses:
         else:
             return keycode[0]
 
-    def __catchKey(self):
+    def __catch_key(self):
         # Get key
-        #~ self.pressedkey = self.term_window.getch()
-        self.pressedkey = self.__getkey(self.term_window)
+        # ~ self.pressedkey = self.term_window.getch()
+        self.pressedkey = self.__get_key(self.term_window)
 
         # Actions...
         if self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'):
@@ -456,7 +456,7 @@ class glancesCurses:
         countdown = Timer(self.__refresh_time)
         while (not countdown.finished()):
             # Getkey
-            if self.__catchKey() > -1:
+            if self.__catch_key() > -1:
                 # flush display
                 self.flush(stats, cs_status=cs_status)
             # Wait 100ms...
diff --git a/glances/plugins/glances_batpercent.py b/glances/plugins/glances_batpercent.py
index c961aa07694dbd1b65c9013d12db571d1cefe617..335e4dd8dcf4a395ff54b331f035f417b92770d3 100644
--- a/glances/plugins/glances_batpercent.py
+++ b/glances/plugins/glances_batpercent.py
@@ -41,7 +41,7 @@ class Plugin(GlancesPlugin):
         GlancesPlugin.__init__(self, args=args)
 
         # Init the sensor class
-        self.glancesgrabbat = glancesGrabBat()
+        self.glancesgrabbat = GlancesGrabBat()
 
         # We do not want to display the stat in a dedicated area
         # The HDD temp is displayed within the sensors plugin
@@ -78,7 +78,7 @@ class Plugin(GlancesPlugin):
         return self.stats
 
 
-class glancesGrabBat:
+class GlancesGrabBat(object):
     """
     Get batteries stats using the Batinfo library
     """
diff --git a/glances/plugins/glances_core.py b/glances/plugins/glances_core.py
index dd147eab5c5ae10dd07ed34009c0e482578a532b..d060b2b46754b433b6f33ff9747a1019126a78f5 100644
--- a/glances/plugins/glances_core.py
+++ b/glances/plugins/glances_core.py
@@ -17,10 +17,10 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-import psutil
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 
 class Plugin(GlancesPlugin):
     """
diff --git a/glances/plugins/glances_cpu.py b/glances/plugins/glances_cpu.py
index dbf541b6187272b8a4f7f1e485f37f0b610fa5d0..2d229c8407090a03c283666a6ae250b76c396c1e 100644
--- a/glances/plugins/glances_cpu.py
+++ b/glances/plugins/glances_cpu.py
@@ -20,10 +20,10 @@
 Glances CPU plugin
 """
 
-import psutil
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 # SNMP OID
 # percentage of user CPU time: .1.3.6.1.4.1.2021.11.9.0
 # percentages of system CPU time: .1.3.6.1.4.1.2021.11.10.0
diff --git a/glances/plugins/glances_diskio.py b/glances/plugins/glances_diskio.py
index f0c572f684507c4c1b6a135e4701b4e92c7c3aa3..87f4041f3058be1ead697c5ef6aeca5bac3d59e1 100644
--- a/glances/plugins/glances_diskio.py
+++ b/glances/plugins/glances_diskio.py
@@ -20,12 +20,12 @@
 Glances DiskIO plugin
 """
 
-import psutil
-
 # Import Glances libs
 from glances.core.glances_timer import getTimeSinceLastUpdate
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 
 class Plugin(GlancesPlugin):
     """
diff --git a/glances/plugins/glances_fs.py b/glances/plugins/glances_fs.py
index db41cbcdeae58662b764f555b204bd09771dc70f..e3c2b1e28b867d6d5a04fb764a53c6317530703b 100644
--- a/glances/plugins/glances_fs.py
+++ b/glances/plugins/glances_fs.py
@@ -17,10 +17,10 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-import psutil
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 # SNMP OID
 # The snmpd.conf needs to be edited.
 # Add the following to enable it on all disk
diff --git a/glances/plugins/glances_hddtemp.py b/glances/plugins/glances_hddtemp.py
index 89423b29720891705a11b08dbd8ff17688d25a4f..3deeb85a033f4c08f8a26f62e1281de514a54221 100644
--- a/glances/plugins/glances_hddtemp.py
+++ b/glances/plugins/glances_hddtemp.py
@@ -35,7 +35,7 @@ class Plugin(GlancesPlugin):
         GlancesPlugin.__init__(self, args=args)
 
         # Init the sensor class
-        self.glancesgrabhddtemp = glancesGrabHDDTemp()
+        self.glancesgrabhddtemp = GlancesGrabHDDTemp()
 
         # We do not want to display the stat in a dedicated area
         # The HDD temp is displayed within the sensors plugin
@@ -70,7 +70,7 @@ class Plugin(GlancesPlugin):
         return self.stats
 
 
-class glancesGrabHDDTemp:
+class GlancesGrabHDDTemp(object):
     """
     Get hddtemp stats using a socket connection
     """
diff --git a/glances/plugins/glances_mem.py b/glances/plugins/glances_mem.py
index b11bdb3a84b3b5b77359091a199bab117117c52d..d102854aacc4d8963ac00819a9676f29a97124a5 100644
--- a/glances/plugins/glances_mem.py
+++ b/glances/plugins/glances_mem.py
@@ -20,10 +20,10 @@
 Glances virtual memory plugin
 """
 
-import psutil
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 # SNMP OID
 # Total RAM in machine: .1.3.6.1.4.1.2021.4.5.0
 # Total RAM used: .1.3.6.1.4.1.2021.4.6.0
diff --git a/glances/plugins/glances_memswap.py b/glances/plugins/glances_memswap.py
index 57307ec2f403f5f237bc0e6e16ce2ef2331e7bd1..985913507af041ddc1c9ac99fc14ab5d52428c37 100644
--- a/glances/plugins/glances_memswap.py
+++ b/glances/plugins/glances_memswap.py
@@ -20,10 +20,10 @@
 Glances swap memory plugin
 """
 
-import psutil
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 # SNMP OID
 # Total Swap Size: .1.3.6.1.4.1.2021.4.3.0
 # Available Swap Space: .1.3.6.1.4.1.2021.4.4.0
diff --git a/glances/plugins/glances_monitor.py b/glances/plugins/glances_monitor.py
index 3cefe2112bbb4c7570875754feda4e9fccd65fb7..a1d16b3b2b8d491030af0cbe6e2e6a7f8f8866c4 100644
--- a/glances/plugins/glances_monitor.py
+++ b/glances/plugins/glances_monitor.py
@@ -18,7 +18,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 # Import Glances lib
-from glances.core.glances_monitor_list import monitorList as glancesMonitorList
+from glances.core.glances_monitor_list import MonitorList as glancesMonitorList
 from glances.plugins.glances_plugin import GlancesPlugin
 
 
diff --git a/glances/plugins/glances_network.py b/glances/plugins/glances_network.py
index d9bd26df303dd85f81f5e0b6272aacaa821a9881..68176c55e275a802e6d37301b66e35fe2c98cb8c 100644
--- a/glances/plugins/glances_network.py
+++ b/glances/plugins/glances_network.py
@@ -20,13 +20,11 @@
 Glances Network interface plugin
 """
 
-# Import system libs
-import psutil
-
-# Import Glances lib
 from glances.core.glances_timer import getTimeSinceLastUpdate
 from glances.plugins.glances_plugin import GlancesPlugin
 
+import psutil
+
 # SNMP OID
 # http://www.net-snmp.org/docs/mibs/interfaces.html
 # Dict key = interface_name
@@ -169,7 +167,7 @@ class Plugin(GlancesPlugin):
         Return the dict to displayoid in the curse interface
         """
 
-        #!!! TODO: Add alert on network interface bitrate
+        # !!! TODO: Add alert on network interface bitrate
 
         # Init the return message
         ret = []
diff --git a/glances/plugins/glances_percpu.py b/glances/plugins/glances_percpu.py
index 0bdf04c6328c95dabfff77900120bfff66005680..88942541f5262f30227fba1225821b2915e094eb 100644
--- a/glances/plugins/glances_percpu.py
+++ b/glances/plugins/glances_percpu.py
@@ -20,12 +20,12 @@
 CPU stats (per cpu)
 """
 
-# Check for psutil already done in the glances_core script
-import psutil
-
 # Import Glances libs
 from glances.plugins.glances_plugin import GlancesPlugin
 
+# Check for psutil already done in the glances_core script
+import psutil
+
 
 class Plugin(GlancesPlugin):
     """
diff --git a/glances/plugins/glances_plugin.py b/glances/plugins/glances_plugin.py
index 95408ba9d7c3b9dda04a8f0b5b8666f3c9cb46d9..e157c5141ce335ac5d3644863908ab82a7e4f9ef 100644
--- a/glances/plugins/glances_plugin.py
+++ b/glances/plugins/glances_plugin.py
@@ -256,7 +256,7 @@ class GlancesPlugin(object):
     def get_stats_display(self, args=None):
         # Return a dict with all the information needed to display the stat
         # key     | description
-        #----------------------------
+        # ----------------------------
         # display | Display the stat (True or False)
         # msgdict | Message to display (list of dict [{ 'msg': msg, 'decoration': decoration } ... ])
         # column  | column number
diff --git a/glances/plugins/glances_psutilversion.py b/glances/plugins/glances_psutilversion.py
index 1999f9f3bfeec17cb470ac35422f43064d31c23f..21199913c289fc264b1936784bd00bd62cacfb65 100644
--- a/glances/plugins/glances_psutilversion.py
+++ b/glances/plugins/glances_psutilversion.py
@@ -17,10 +17,10 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-from psutil import __version__ as __psutil_version
-
 from glances.plugins.glances_plugin import GlancesPlugin
 
+from psutil import __version__ as __psutil_version
+
 
 class Plugin(GlancesPlugin):
     """
diff --git a/glances/plugins/glances_sensors.py b/glances/plugins/glances_sensors.py
index 9b18e8c68ac799521ec494a78222a36d9e473d82..8e7070fc2eb4d520bbc298d8d5b449f7d393c2a8 100644
--- a/glances/plugins/glances_sensors.py
+++ b/glances/plugins/glances_sensors.py
@@ -44,7 +44,7 @@ class Plugin(GlancesPlugin):
         GlancesPlugin.__init__(self, args=args)
 
         # Init the sensor class
-        self.glancesgrabsensors = glancesGrabSensors()
+        self.glancesgrabsensors = GlancesGrabSensors()
 
         # Instance for the HDDTemp Plugin in order to display the hard disks temperatures
         self.hddtemp_plugin = HddTempPlugin()
@@ -143,7 +143,7 @@ class Plugin(GlancesPlugin):
         return ret
 
 
-class glancesGrabSensors:
+class GlancesGrabSensors(object):
     """
     Get sensors stats using the PySensors library
     """
diff --git a/glances/plugins/glances_system.py b/glances/plugins/glances_system.py
index 922b43ae94019d7a591a97383623e5df67103ac8..29fdaeab7bf38275a12c12e7a02835d45167349e 100644
--- a/glances/plugins/glances_system.py
+++ b/glances/plugins/glances_system.py
@@ -31,6 +31,7 @@ from glances.plugins.glances_plugin import GlancesPlugin
 snmp_oid = {'hostname': '1.3.6.1.2.1.1.5.0',
             'os_name': '1.3.6.1.2.1.1.1.0'}
 
+
 class Plugin(GlancesPlugin):
     """
     Glances' Host/System Plugin
diff --git a/glances/plugins/glances_uptime.py b/glances/plugins/glances_uptime.py
index e482d230c18958876c5ea9789a53e7c289ad30c4..900fe1c2ac3543cbce19908e5a6a4360fb99a1f8 100644
--- a/glances/plugins/glances_uptime.py
+++ b/glances/plugins/glances_uptime.py
@@ -20,15 +20,16 @@
 # Import system libs
 from datetime import datetime, timedelta
 
-# Check for psutil already done in the glances_core script
-import psutil
-
 # Import Glances libs
 from glances.plugins.glances_plugin import GlancesPlugin
 
+# Check for psutil already done in the glances_core script
+import psutil
+
 # SNMP OID
 snmp_oid = {'_uptime': '1.3.6.1.2.1.1.3.0'}
 
+
 class Plugin(GlancesPlugin):
     """
     Glances' Uptime Plugin