code: def get_constant(self, const_name, context):
          
  
          # check if value is compatible with
          const = self._constants[const_name]
  
          if isinstance(const, ast.AnnAssign):  # Handle ByteArrays.
              if context:
                  expr = Expr(const.value, context).lll_node
                  return expr
              else:
                  raise VariableDeclarationException(
                      "ByteArray: Can not be used outside of a function context: %s" % const_name
                  )
  
          # Other types are already unwrapped, no need
          return self._constants[const_name]
docs: Return unrolled const