Enhanced PythonEvaluator to accept concepts

parsers/DefaultParser.py

@@ -1,5 +1,6 @@
 from core.builtin_concepts import BuiltinConcepts, ReturnValueConcept
 from core.concept import ConceptParts
+import core.builtin_helpers
 from parsers.BaseParser import BaseParser, Node, NopNode, ErrorNode, NotInitializedNode
 from core.tokenizer import Tokenizer, TokenKind, Token, Keywords
 from dataclasses import dataclass, field
@@ -409,8 +410,8 @@ class DefaultParser(BaseParser):
                 continue
 
             # ask the other parsers if they recognize the tokens
-            new_context = self.context.push(self)
-            parsing_result = self.sheerka.expect_one(new_context, self.sheerka.parse(new_context, tokens))
+            new_context = self.context.push(self.name)
+            parsing_result = core.builtin_helpers.expect_one(new_context, self.sheerka.parse(new_context, tokens))
             if not parsing_result.status:
                 self.add_error(parsing_result.value)
                 continue