fix eval() of read file

```
        )  # nosec FIXME https://bandit.readthedocs.io/en/latest/blacklists/blacklist_calls.html#b307-eval
```

https://github.com/b4mad/racing/blob/4217a25b82483f33df4ca1d349a259feb0ef89f3/components/paddock/telemetry/tests/utils.py#L69