Fix #10043 pyfunc_serve_and_score_model to properly handle exceptions

[AjayJohnAlex]

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[BenWilson2]

@AjayJohnAlex can you update the test failure error checking in tests/pyfunc/test_virtualenv.py such that instead of checking for an AssertionError, we're reading the response return and ensuring that we're wrapping the trace properly and returning the underlying exception?

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[AjayJohnAlex]

BenWilson2 I will update the test failure error checking in tests/pyfunc/test_virtualenv.py.

[AjayJohnAlex]

BenWilson2 I have made the relevanyt changes. I missed adding -s in commit. Apologies for the oversight.