Error

[morfin]

python3 ./pyrpcwallet.py

Traceback (most recent call last):
File "./pyrpcwallet.py", line 4, in
from lib import json_rpc
File "/Users/morfin/pyrpcwallet/lib/json_rpc.py", line 3, in
from lib.api import API
File "/Users/morfin/pyrpcwallet/lib/api.py", line 1, in
from lib.wallet import Wallet
File "/Users/morfin/pyrpcwallet/lib/wallet.py", line 1, in
import os, appdirs, random
ModuleNotFoundError: No module named 'appdirs'