game.py not running (no errors)

import sys

from character import Character
from monster import Dragon
from monster import Goblin
from monster import Troll


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

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

    def monster_turn(self):
        if self.monster.acttack():
            print("{} is attacking!").format(self.monster)
        # if so, tell the player
            if input('Do you want to Dodge [Y]es or [N]o?').lower():
                if self.player.dodge():
                #check if the player wants to dodge_limit
                    print('You doged the attack')
                #if so see if the dodge is successful

                #if it is move on
                else:
                    print('You got hit!')
                    self.player.hit_points -= 1
                    #if its not remove one player hit point.
            else:
                print('{} hit you for 1 point').format(self.monster)
                self.player.hit_points -= 1
        else:
            print("{} isn't attacking this turn").format(self.monster)

        #if the monster is not attacking tell the player too.

    def player_turn(self):
        #let the player attack, rest or Quit
        player_action = input('Would you like to [A]ttack, [R]est or [Q]uit ?').lower()
        #if they attack:
        if player_action == 'a':
            print("You are attacking {}").format(self.monster)
            #see if the acttack is successful
            if self.player.attack():
                if self.monster.dodge():
                    print("{} dodged your attack!").format(self.monster)
                else:
                    if self.player.leveled_up():
                        self.monster.hit_points -= 2
                    else:
                        self.monster.hit_points -= 1
                    print("Good Hit, you hit {} with your {}!").format(self.monster, self.player.weapon)
                #if not dodged subtract the right number of hit points from
                # the monster
            #if dodge print that
            else:
                print('You missed')
        #if not a good attach tel player
        elif player_action == 'r':
        #if they rest call the player .rest () method
            self.player.rest()

        #if they quit exit Game
        elif player_action == 'q':
            sys.exit()
        #if anything else re-run the method.
        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.monster = self.get_next_monster()
        #if monster has no hit points
        #up the player experience
        #print a message
        #Get a new monster

    def __int__(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.monster or self.monsters:
            print('You Loose!')
        sys.exit()

Game()