task 8 auto-plot not working

```bash
File "/.../pyjktebop/pyjktebop.py", line 402, in extract_best_fit_params
name: float(lines[68 + i][26:45]) for i, name in enumerate(names)
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: could not convert string to float: 'o parameter errors '
```

shows up in task 8 fits even with just `-r` argument