properties option in consistencies are now allowed

tiramisu/option.py

@@ -367,7 +367,8 @@ class Option(BaseOption):
                 #if context, calculate value, otherwise get default value
                 if context is not None:
                     opt_value = context._getattr(
-                        descr.impl_get_path_by_opt(opt), validate=False)
+                        descr.impl_get_path_by_opt(opt), validate=False,
+                        force_permissive=True)
                 else:
                     opt_value = opt.impl_getdefault()
 
@@ -873,7 +874,7 @@ class PortOption(Option):
                 if not self._min_value <= int(val) <= self._max_value:
                     raise ValueError(_('invalid port, must be an between {0} '
                                      'and {1}').format(self._min_value,
-                                                      self._max_value))
+                                                       self._max_value))
             except ValueError:
                 raise ValueError(_('invalid port'))