My code won't pass. After following up through - my player is not having the attribute attack()

import random

from combat import Combat

COLORS = ['yellow', 'red', 'blue', 'green']

class Monster(Combat):
  min_hit_points = 1
  max_hit_points = 1
  min_experience = 1
  max_experience = 1
  weapon = 'sword'
  sound = 'roar'

  def __init__(self, **kwargs):
    self.hit_points = random.randint(self.min_hit_points, self.max_hit_points)
    self.experience = random.randint(self.min_experience, self.max_experience)
    self.color = random.choice(COLORS)

    for key, value, in kwargs.items():
      setattr(self, key, value)

  def __str__(self):
    return "{} {}, HP: {}, XP {}".format(self.color.title(), self.__class__.__name__, self.hit_points, self.experience)

  def battlecry(self):
    return self.sound.upper()


class Goblin(Monster):
  max_hit_points = 3
  max_experience = 2
  sound = 'squeek'


class Troll(Monster):
  min_hit_points = 3
  max_hit_points = 5
  min_experience = 2
  max_experience = 6
  sound = 'roar'


class Dragon(Monster):
  min_hit_points = 5
  max_hit_points = 10
  min_experience = 6
  max_experience = 10
  sound = 'raaaaaaaaaar'

class Character(Combat):
  experience = 0
  hit_points = 10

  def get_weapon(self):
    weapon_choice = input("Weapon ([S]word, [A]xe, [B]ow: ").lower()

    if weapon_choice in "sab":
      if weapon_choice == 's':
        return 'sword'
      elif weapon_choice == 'a':
        return 'axe'
      else:
        return 'bow'
    else:
      return self.get_weapon()

  def __init__(self, **kwargs):
    self.name = input("Name: ")
    self.weapon = self.get_weapon()

    for key, value in kwargs.items():
      setattr(self, key, value)

import random

class Combat:
  dodge_limit = 6
  attack_limit = 6

  def dodge(self):
    roll = random.randint(1, self.dodge_limit)
    return roll > 4

  def attack(self):
    roll = random.randint(1, self.attack_limit)
    return roll > 4