--- a/cagou/core/cagou_main.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/core/cagou_main.py	Mon Mar 25 07:11:09 2019 +0100
@@ -202,7 +202,7 @@
         app = App.get_running_app()
         self.notifs_icon.addNotif(app.host.showExtraUI, widget=widget)
 
-    def _displayNextNote(self, dummy=None):
+    def _displayNextNote(self, __=None):
         screen = Screen()
         try:
             idx = self.notes.index(self.notes_last) + 1
@@ -473,7 +473,7 @@
             if failure.check(ConnectionRefusedError) and self.retried < 100:
                 if self.retried % 20 == 0:
                     log.debug("backend not ready, retrying ({})".format(self.retried))
-                Clock.schedule_once(lambda dummy: self.connectBridge(), 0.05)
+                Clock.schedule_once(lambda __: self.connectBridge(), 0.05)
                 return
         super(Cagou, self)._bridgeEb(failure)
 
@@ -499,7 +499,7 @@
         self.app.initFrontendState()
         self.postInit()
 
-    def postInit(self, dummy=None):
+    def postInit(self, __=None):
         # FIXME: resize doesn't work with SDL2 on android, so we use below_target for now
         self.app.root_window.softinput_mode = "below_target"
         profile_manager = self.app._profile_manager

--- a/cagou/core/kivy_hack.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/core/kivy_hack.py	Mon Mar 25 07:11:09 2019 +0100
@@ -39,7 +39,7 @@
     root_logger = logging.root
     kivy_logger = logging.getLogger('kivy')
     ori_addHandler = kivy_logger.addHandler
-    kivy_logger.addHandler = lambda dummy: None
+    kivy_logger.addHandler = lambda __: None
     ori_setLevel = kivy_logger.setLevel
     if kivy_level == 'FOLLOW':
         # level is following SàT level

--- a/cagou/core/profile_manager.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/core/profile_manager.py	Mon Mar 25 07:11:09 2019 +0100
@@ -53,7 +53,7 @@
         self.pm.profiles_screen.reload()
         G.host.bridge.profileStartSession(
             self.password.text, profile,
-            callback=lambda dummy: self._sessionStarted(profile),
+            callback=lambda __: self._sessionStarted(profile),
             errback=self.onCreationFailure)
 
     def _sessionStarted(self, profile):

--- a/cagou/core/simple_xhtml.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/core/simple_xhtml.py	Mon Mar 25 07:11:09 2019 +0100
@@ -404,7 +404,7 @@
         styles in self._css_styles will be removed
         and the attribute will be deleted
         """
-        for tag, dummy in reversed(self._css_styles):
+        for tag, __ in reversed(self._css_styles):
             self._removeStyle(tag)
         del self._css_styles
 

--- a/cagou/plugins/plugin_transfer_voice.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/plugins/plugin_transfer_voice.py	Mon Mar 25 07:11:09 2019 +0100
@@ -78,7 +78,7 @@
 
         self.recording = not self.recording
 
-    def _stopPlaying(self, dummy=None):
+    def _stopPlaying(self, __=None):
         if self.record_time is None:
             log.error("_stopPlaying should no be called when record_time is None")
             return

--- a/cagou/plugins/plugin_wid_chat.py	Mon Mar 25 07:11:09 2019 +0100
+++ b/cagou/plugins/plugin_wid_chat.py	Mon Mar 25 07:11:09 2019 +0100
@@ -497,7 +497,7 @@
                         profile = profile,
                         size_hint = (0.5, None),
                         nick = nick,
-                        on_release=lambda dummy, txt=jid_.bare: self.onHeaderInputCompleted(wid, txt)
+                        on_release=lambda __, txt=jid_.bare: self.onHeaderInputCompleted(wid, txt)
                         )
                     dropdown.add_widget(btn)
         else: