dict to codeclimate issues doesn't handle error cases correctly

dict to codeclimate issues doesn't handle error cases correctly: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). The dict to codeclimate issues function in radon/cli/tools.py doesn't properly handle error cases in the input data.

The task

The `dict_to_codeclimate_issues` function in `radon/cli/tools.py` doesn't properly handle error cases in the input data.

Part of keryszhan/harbor-swesmith-rl-artifacts.