[Quantization] import torch.fx only if torch.__version__ >= 1.8

wanchen.swc

2023-03-30 0438b966d6d9ef89fdd7a8d112d6e03b34122b1e

 funasr/runtime/python/onnxruntime/README.md

@@ -32,7 +32,7 @@

```shell
git clone https://github.com/alibaba/FunASR.git && cd FunASR
cd funasr/runtime/python/funasr_onnx
cd funasr/runtime/python/onnxruntime
python setup.py build
python setup.py install
```