code: def to_label(var_instance):
          
          # This can be done 'cause LABEL is just a dummy descent of VAR
          assert isinstance(var_instance, SymbolVAR)
          from symbols import LABEL
          var_instance.__class__ = LABEL
          var_instance.class_ = CLASS.label
          var_instance._scope_owner = []
          return var_instance
docs: Converts a var_instance to a label one