Getting Back None as weapon

class Character(object):
    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:
            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)

from monster import *
from character import Character

azog = Troll()
snaga = Goblin()
draco = Dragon()
player1 = Character()


print(azog)
print(snaga)
print(draco)
print(player1.name)
print(player1.weapon)
print(player1.experience)
print(player1.hit_points)