Fix UncaughtCharmError

✅ Solution

The "UncaughtCharmError" in pytest, often occurring in pdb or traceback displays, typically arises from incorrect handling of terminal size or encoding changes during exception processing. To fix this, ensure that the `CHARM_DEBUG` environment variable is not set (or is set to an empty string) and that pytest's terminal output configurations are compatible with the execution environment; try running pytest with the `--no-header` flag to simplify terminal interactions.