Fixed BNF concept evaluations

evaluators/ConceptEvaluator.py

@@ -11,11 +11,6 @@ class ConceptEvaluator(OneReturnValueEvaluator):
     Then checks the POST conditions
     """
     NAME = "Concept"
-    evaluation_steps = [
-        BuiltinConcepts.BEFORE_EVALUATION,
-        BuiltinConcepts.EVALUATION,
-        BuiltinConcepts.AFTER_EVALUATION
-    ]
 
     def __init__(self, return_body=False):
         super().__init__(self.NAME, [BuiltinConcepts.EVALUATION], 50)
@@ -34,7 +29,7 @@ class ConceptEvaluator(OneReturnValueEvaluator):
         # If the concept that is requested is in the context(at least its name), drop the call.
         # Why ?
         # If we evaluate Concept("foo", body="a").set_prop("a", "'property_a'")
-        # The body should be 'property_a', and not a concept called a in our universe
+        # The body should be 'property_a', and not a concept called 'a'
         if context.obj and concept.name in context.obj.props:
             value = context.obj.props[concept.name].value
             context.log(self.verbose_log, f"{concept.name} is a property. Returning value '{value}'.", self.name)