diff --git a/tools/others.py b/tools/others.py
index 2359a93..8369470 100644
--- a/tools/others.py
+++ b/tools/others.py
@@ -399,7 +399,7 @@ class estimator(object):
         self.obj_vars = obj
         self.id       = self.obj_vars.id
         self.path_save_json = obj.vars.get("path_save",os.path.join(os.getcwd(),'data'))
-        self.weights        = obj.weights.get(obj.type_weights,None)
+        self.weights        = obj.get(obj.type_weights,None)
         
         self.vars_mqtt = self.obj_vars.vars_mqtt