diff --git a/actions.py b/actions.py
index 58a45a6..5a78582 100644
--- a/actions.py
+++ b/actions.py
@@ -113,7 +113,7 @@ def do_play_card(bot, player, result_id):
         if us.stats:
             us.games_played += 1
 
-            if game.players_won is 0:
+            if game.players_won == 0:
                 us.first_places += 1
 
         game.players_won += 1
diff --git a/bot.py b/bot.py
index b2825d5..72c2d65 100644
--- a/bot.py
+++ b/bot.py
@@ -405,7 +405,7 @@ def start_game(update: Update, context: CallbackContext):
         for player in players:
             title = player.game.chat.title
 
-            if player is gm.userid_current[update.message.from_user.id]:
+            if player == gm.userid_current[update.message.from_user.id]:
                 title = '- %s -' % player.game.chat.title
 
             groups.append(
diff --git a/game.py b/game.py
index 3234f9b..39a1c83 100644
--- a/game.py
+++ b/game.py
@@ -58,7 +58,7 @@ class Game(object):
         current_player = self.current_player
         itplayer = current_player.next
         players.append(current_player)
-        while itplayer and itplayer is not current_player:
+        while itplayer and itplayer != current_player:
             players.append(itplayer)
             itplayer = itplayer.next
         return players
@@ -121,7 +121,7 @@ class Game(object):
             self.logger.debug("Draw counter increased by 2")
         elif card.value == c.REVERSE:
             # Special rule for two players
-            if self.current_player is self.current_player.next.next:
+            if self.current_player == self.current_player.next.next:
                 self.turn()
             else:
                 self.reverse()
diff --git a/game_manager.py b/game_manager.py
index ec49bc4..4be3bc7 100644
--- a/game_manager.py
+++ b/game_manager.py
@@ -110,7 +110,7 @@ class GameManager(object):
             for g in games:
                 for p in g.players:
                     if p.user.id == user.id:
-                        if p is g.current_player:
+                        if p == g.current_player:
                             g.turn()
 
                         p.leave()
diff --git a/internationalization.py b/internationalization.py
index f56a20c..2533cf2 100644
--- a/internationalization.py
+++ b/internationalization.py
@@ -66,7 +66,7 @@ class _Underscore(object):
             locale = self.locale_stack[-1]
 
         if locale not in self.translators.keys():
-            if n is 1:
+            if n == 1:
                 return singular
             else:
                 return plural
diff --git a/player.py b/player.py
index e207239..cc1858e 100644
--- a/player.py
+++ b/player.py
@@ -69,7 +69,7 @@ class Player(object):
 
     def leave(self):
         """Removes player from the game and closes the gap in the list"""
-        if self.next is self:
+        if self.next == self:
             return
 
         self.next.prev = self.prev