[#957] drep/list drep type fix

[jankun4]

List of changes

• Fix
  fix wrong drep type in drep/list

Checklist

• related issue
• My changes generate no new warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the changelog
• I have added tests that prove my fix is effective or that my feature works