Fixed BNF concept evaluations

evaluators/PythonEvaluator.py

@@ -3,7 +3,7 @@ from enum import Enum
 
 from core.ast.visitors import UnreferencedNamesVisitor
 from core.builtin_concepts import BuiltinConcepts, ParserResultConcept
-from core.concept import ConceptParts
+from core.concept import ConceptParts, Concept
 from evaluators.BaseEvaluator import OneReturnValueEvaluator
 from parsers.PythonParser import PythonNode
 import ast
@@ -65,7 +65,10 @@ class PythonEvaluator(OneReturnValueEvaluator):
                         f"Concept '{context.obj}' is in context. Adding its properties to locals if any.", self.name)
 
             for prop_name, prop_value in context.obj.props.items():
-                my_locals[prop_name] = prop_value.value
+                if not isinstance(prop_value.value, Concept):
+                    my_locals[prop_name] = prop_value.value
+                else:
+                    my_locals[prop_name] = context.sheerka.value(prop_value.value)
 
         node_concept = core.ast.nodes.python_to_concept(ast_)
         unreferenced_names_visitor = UnreferencedNamesVisitor(context.sheerka)