limit database usage

tiramisu/option/baseoption.py

@@ -942,7 +942,7 @@ class Option(OnlyOption):
         :param load: `True` if we are at the init of the option description
         :type load: bool
         """
-        if not load and self._get_consistencies() == ():
+        if not load and not self._has_consistencies():
             self._state_consistencies = None
         elif load and self._state_consistencies is None:
             del(self._state_consistencies)
@@ -1195,6 +1195,9 @@ class SymLinkOption(OnlyOption):
     def _get_consistencies(self):
         return ()
 
+    def _has_consistencies(self):
+        return False
+
 
 class DynSymLinkOption(object):
     __slots__ = ('_dyn', '_opt', '_name')