From 2576ad0dce9f76afa482bd70934ccbea28e4ded8 Mon Sep 17 00:00:00 2001
From: Simon Pirkelmann <simon.pirkelmann@gmail.com>
Date: Sat, 10 Apr 2021 18:21:59 +0200
Subject: [PATCH] fixed bug causing crash during token reading

---
 door.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/door.py b/door.py
index 4751437..b3f6204 100644
--- a/door.py
+++ b/door.py
@@ -85,6 +85,8 @@ def read_valid_tokens():
                     try:
                         if len(valid_thru.strip()) > 0:
                             valid_thru = datetime.date.fromisoformat(valid_thru)
+                        else:
+                            valid_thru = None
                     except Exception:
                         log(f"Could not parse valid thru date for token {token} in line {i}")
                         valid_thru = None