Fix missing import

1 files changed, 1 insertions, 0 deletions

diff --git a/wedding.py b/wedding.py
index 29df9b4..d3c402d 100644
--- a/wedding.py
+++ b/wedding.py
@@ -4,6 +4,7 @@ import sqlite3
 from flask import Flask, request, session, g, redirect, url_for, render_template
 from flask import flash
 from functools import wraps
+from collections import defaultdict
 
 app = Flask(__name__)
 app.config.from_envvar('CONF')