not Params object for callback, validator and calculated values for choiceoption

test/auto/test_auto.py

@@ -8,7 +8,7 @@ from .autopath import do_autopath
 do_autopath()
 from tiramisu import Config, MetaConfig, \
                      StrOption, SymLinkOption, OptionDescription, MasterSlaves, DynOptionDescription, \
-                     getapi, submulti, undefined, owners
+                     getapi, submulti, undefined, owners, Params, ParamOption
 from tiramisu.error import PropertiesOptionError, APIError, ConfigError, SlaveError
 from tiramisu.api import display_count
 from collections import OrderedDict
@@ -1503,7 +1503,7 @@ def make_conf(options, meta, multi, default, default_multi, require, consistency
         if callback:
             largs = [path + 'call', "{}'s callback option".format(path)]
             objcall = tiramisu_option(*largs, **call_kwargs)
-            kwargs['callback_params'] = {'': ((objcall, False),)}
+            kwargs['callback_params'] = Params(ParamOption(objcall))
         else:
             objcall = None
         if symlink and not path.endswith('extraoptconsistency'):