Added concepts with the same key handling

evaluators/DuplicateConceptEvaluator.py

@@ -1,4 +1,5 @@
 from core.builtin_concepts import BuiltinConcepts
+from evaluators.AddConceptEvaluator import AddConceptEvaluator
 from evaluators.BaseEvaluator import AllReturnValuesEvaluator
 from parsers.BaseParser import BaseParser
 
@@ -8,8 +9,10 @@ class DuplicateConceptEvaluator(AllReturnValuesEvaluator):
     Use to recognize when we tried to add the same concept twice
     """
 
+    NAME = "DuplicateConcept"
+
     def __init__(self):
-        super().__init__("Duplicate Concept Evaluator", 10)
+        super().__init__(self.NAME, 10)
         self.already_defined = None
 
     def matches(self, context, return_values):
@@ -22,7 +25,7 @@ class DuplicateConceptEvaluator(AllReturnValuesEvaluator):
             if sheerka.isinstance(ret.value, BuiltinConcepts.AFTER_EVALUATION):
                 if ret.status:
                     parsing = True
-            elif ret.who == "Evaluators:Add new Concept":
+            elif ret.who == sheerka.get_evaluator_name(AddConceptEvaluator.NAME):
                 if not ret.status and ret.value.body.args[0] == "Duplicate object.":
                     add_concept_in_error = True
                     self.already_defined = ret.value.body.obj