Whoops, that's a tuple

bot/db_utils.py

@@ -17,7 +17,7 @@ def get_or_create_user(username):
     conn.row_factory = sqlite3.Row
     cur = conn.cursor()
     cur.execute('SELECT id FROM users WHERE username = ?', (username,))
-    user = cur.fetchone()
+    user = cur.fetchone()[0]
     if user:
         conn.close()
         return user