init problem

from monster import Goblin
from monster import Troll
from monster import Dragon
import sys
from character import Character
class Game:
    def setup(self):
        self.player=Character()
        self.monsters=[Goblin(), Troll(), Dragon()]
        self.monster=self.get_next_monster()

    def get_next_monster(self):
        try:
            return self.monsters.pop(0)
        except IndexError:
            return None

    def monster_turn(self):
        if self.monster.attack():
            print ("{} is attacking!".format(self.monster))
            if input("Do you want to dodge? Y/N").lower()== 'y':
                if self.player.dodge():
                    print ("You dodged the attack")
                else:
                    print("You got hit anyway!")
                    self.player.hit_points-=1
            else:
                print ("{} hit you for 1 points".format(self.monster))
                self.player.hit_points -= 1
        else:
            print ("{} isn't attacking this turn".format(self.monster))

    def player_turn(self):
        player_choice=input("[A]ttack,[R]est,[Q]uit").lower()
        if player_choice=="a":
            print ("You are attacking {}".format(self.monster))
            if self.player.attack():
                if self.monster.dodge:
                    print ("Attack dodged!")
                else:
                    if self.player.leveled_up():
                        self.monster.hit_points -=2
                    else:
                        self.monster.hit_points-=1
                    print ("You hit {} with your {}!".format(self.monster, self.player.weapon))
            else:
                print ("You missed")
        if player_choice=="r":
            self.player.rest()
            print('You rest and gain 1 hp!')
        if player_choice=="q":
            sys.exit()
        else:
            self.player_turn()


    def cleanup(self):
        if self.monster.hit_points <= 0:
            self.player.experience += self.monster.experience
            print ("You killed {} !".format(self.monster))
            self.mosnter=self.get_next_monster()




    def __init__(self):
        self.setup()
        while self.player.hit_points and (self.monster or self.monsters):
            print ('\n'+'='*20)
            print(self.player)
            self.monster_turn()
            print ('-'*20)
            self.player_turn()
            self.cleanup()
            print('\n'+'='*20)

        if self.player.hit_points:
            print("You win!")
        elif self.monsters or self.monster:
            print("You lose!")
        sys.exit()


Game()