Improved PythonEvaluator when dealing with concept class

src/core/sheerka/services/SheerkaComparisonManager.py

@@ -3,6 +3,7 @@ from dataclasses import dataclass
 from cache.Cache import Cache
 from cache.ListCache import ListCache
 from core.builtin_concepts import BuiltinConcepts
+from core.concept import ensure_concept
 from core.sheerka.services.sheerka_service import ServiceObj, BaseService
 
 
@@ -105,6 +106,7 @@ class SheerkaComparisonManager(BaseService):
         :return:
         """
         context.log(f"Setting concept {concept_a} is greater than {concept_b}", who=self.NAME)
+        ensure_concept(concept_a, concept_b)
 
         event_digest = context.event.get_digest()
         comparison_obj = ComparisonObj(event_digest, prop_name, concept_a.id, concept_b.id, ">", comparison_context)
@@ -121,6 +123,7 @@ class SheerkaComparisonManager(BaseService):
         :return:
         """
         context.log(f"Setting concept {concept_a} is less than {concept_b}", who=self.NAME)
+        ensure_concept(concept_a, concept_b)
 
         event_digest = context.event.get_digest()
         comparison_obj = ComparisonObj(event_digest, prop_name, concept_a.id, concept_b.id, "<", comparison_context)