diff --git a/katrain/gui/kivyutils.py b/katrain/gui/kivyutils.py
index 94b7ab1..291dc16 100644
--- a/katrain/gui/kivyutils.py
+++ b/katrain/gui/kivyutils.py
@@ -28,7 +28,15 @@ from kivymd.uix.navigationdrawer import MDNavigationDrawer
 from kivymd.uix.selectioncontrol import MDCheckbox
 from kivymd.uix.textfield import MDTextField
 
-from katrain.core.constants import AI_STRATEGIES_RECOMMENDED_ORDER, GAME_TYPES, MODE_PLAY, PLAYER_AI, PLAYER_HUMAN, PLAYING_NORMAL, PLAYING_TEACHING
+from katrain.core.constants import (
+    AI_STRATEGIES_RECOMMENDED_ORDER,
+    GAME_TYPES,
+    MODE_PLAY,
+    PLAYER_AI,
+    PLAYER_HUMAN,
+    PLAYING_NORMAL,
+    PLAYING_TEACHING,
+)
 from katrain.core.lang import i18n
 from katrain.gui.theme import Theme
 
@@ -372,19 +380,23 @@ class PlayerInfo(MDBoxLayout, BackgroundMixin):
     rank = StringProperty("", allownone=True)
     active = BooleanProperty(True)
 
-    def __init__(self,**kwargs):
+    def __init__(self, **kwargs):
         super().__init__(**kwargs)
-        self.bind(player_type=self.set_label,player_subtype=self.set_label,name=self.set_label,rank=self.set_label)
+        self.bind(player_type=self.set_label, player_subtype=self.set_label, name=self.set_label, rank=self.set_label)
 
-    def set_label(self,*args):
-        if not self.subtype_label: #building
+    def set_label(self, *args):
+        if not self.subtype_label:  # building
             return
         show_player_name = self.name and self.player_type == PLAYER_HUMAN and self.player_subtype == PLAYING_NORMAL
         if show_player_name:
-            text =  self.name
+            text = self.name
         else:
             text = i18n._(self.player_subtype)
-        if self.rank and self.player_subtype != PLAYING_TEACHING and (show_player_name or self.player_type==PLAYER_AI):
+        if (
+            self.rank
+            and self.player_subtype != PLAYING_TEACHING
+            and (show_player_name or self.player_type == PLAYER_AI)
+        ):
             text += " ({})".format(self.rank)
         self.subtype_label.text = text