DeepEval, G-Eval logging issues.

[j0ntendo]

Hello,
I am testing different LLM's and evaluating them with G-eval.
I want to log the (GEval) Verbose Logs into a .json file but it keeps appearing as None.
It keeps outputting in the terminal, but I want to log them automatically as I am testing with multiple datasets.
Below is an example of me trying to log the terminal outputs but still failed.

` log_output = io.StringIO()
with redirect_stdout(log_output):
test_case = LLMTestCase(
input=prompt,
actual_output=model_answer,
expected_output=reference_answer
)
explainability_result = explainability_metric.measure(test_case)

    # Extract the captured logs
    verbose_log = log_output.getvalue()

    if explainability_result is None or explainability_result.score is None:
        explainability_score = 0
        explanation = "Explainability evaluation failed - no valid output returned."
    else:
        explainability_score = explainability_result.score
        explanation = explainability_result.reason

`