api: fix getting cached disk usage with empty dirs

2017-05-01 20:26:53 +02:00 · 2017-05-01 20:26:53 +02:00 · a1b762c65f
commit a1b762c65f
parent 4bc58a3c95
1 changed files with 1 additions and 1 deletions
--- a/server/szurubooru/api/info_api.py
+++ b/server/szurubooru/api/info_api.py
@ -14,7 +14,7 @@ def _get_disk_usage() -> int:
    threshold = timedelta(hours=48)
    now = datetime.utcnow()
    if _cache_time and _cache_time > now - threshold:
-        assert _cache_result
+        assert _cache_result is not None
        return _cache_result
    total_size = 0
    for dir_path, _, file_names in os.walk(config.config['data_dir']):