pt: support loading frozen models in DeepEval #5146

Job	Run time
Build source distribution	19s
determine-arm64-runner	1s
Build wheels for cp311-manylinux_x86_64	5m 16s
Build wheels for cp311-manylinux_x86_64	5m 24s
Build wheels for cp311-macosx_x86_64	8m 56s
Build wheels for cp311-macosx_arm64	3m 10s
Build wheels for cp311-win_amd64	6m 18s
Build wheels for cp310-manylinux_aarch64	4m 7s
build_docker (12)	3m 44s
build_docker (_cu11, 11)	4m 13s
build_pypi_index	13s
upload_pypi	0s
deploy_pypi_index	0s
Pass testing build wheels	4s
	41m 45s

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