Bump voussoirkit requirement to 0.0.24 for pathclass exceptions.

etiquette/photodb.py

@@ -1081,8 +1081,7 @@ class PDBUtilMixin:
         '''
         def _normalize_directory(directory):
             directory = pathclass.Path(directory)
-            if not directory.is_dir:
-                raise ValueError('Not a directory: %s' % directory)
+            directory.assert_is_directory()
             directory.correct_case()
             return directory
 

requirements.txt

@@ -2,6 +2,6 @@ bcrypt
 flask
 gevent
 pillow
-voussoirkit>=0.0.23
+voussoirkit>=0.0.24
 zipstream
 git+https://github.com/senko/python-video-converter.git