[property] Filter warnings on cardinality validate

When running a values cardinality validation filter
the warnings to only those that are relevant for
the validated object.

Author: mpsonntag

odml/property.py

@@ -559,7 +559,10 @@ def _values_cardinality_validation(self):
         is respected and prints a warning message otherwise.
         """
         valid = validation.Validation(self)
-        for err in valid.errors:
+
+        # Make sure to display only warnings of the current property
+        res = [curr for curr in valid.errors if self.id == curr.obj.id]
+        for err in res:
             print("%s: %s" % (err.rank.capitalize(), err.msg))
 
     def set_values_cardinality(self, min_val=None, max_val=None):