fix issue with HavePaths

src/config.py

@@ -117,7 +117,7 @@ class Config(HasPaths):
         help='directory where lassie stores tabulated phases etc.')
 
     def __init__(self, *args, **kwargs):
-        Object.__init__(self, *args, **kwargs)
+        HasPaths.__init__(self, *args, **kwargs)
         self._receivers = None
         self._grid = None
         self._events = None