code: def check_positive_integer(value, original_var_name):
      if not isinstance(value, int):
          raise ValueError(
              f"'{original_var_name}' must be an integer, got '{type(value)}'."
          )
  
      if value < 0:
          raise ValueError(
              f"'{original_var_name}' must be equal or greater than zero, got '{value}'."
          )
  
label_desc: Use image node_id 2 for calling a global function with example usage: check_positive_integer(value, original_var_name) without return types