sqlalchemy has a storage

tiramisu/setting.py

@@ -588,7 +588,7 @@ class Settings(object):
         for require in opt.impl_getrequires():
             expected = tuple(require.get_expected())
             inverse = require.inverse
-            option = require.get_option(self.context())
+            option = require.option
             reqpath = self._get_path_by_opt(option)
             if reqpath == path or reqpath.startswith(path + '.'):
                 raise RequirementError(_("malformed requirements "