Show absolute path instead of pathclass object in NoClosestPhotoDB.

etiquette/exceptions.py

@@ -203,7 +203,7 @@ class NoClosestPhotoDB(EtiquetteException):
     For calls to PhotoDB.closest_photodb where none exists between cwd and
     drive root.
     '''
-    error_message = 'There is no PhotoDB in {} or its parents.'
+    error_message = 'There is no PhotoDB in "{}" or its parents.'
 
 class NoYields(EtiquetteException):
     '''

etiquette/photodb.py

@@ -1967,7 +1967,7 @@ class PhotoDB(
                 break
             parent = path.parent
             if path == parent:
-                raise exceptions.NoClosestPhotoDB(cwd)
+                raise exceptions.NoClosestPhotoDB(cwd.absolute_path)
             path = parent
 
         path = path.with_child(constants.DEFAULT_DATADIR)