update readme, for format

huangmingming

2023-01-30 f807bc2c06f8e1fd220f72ebeb346d63ff7d6882

update readme, for format

 funasr/runtime/python/grpc/Readme.md

@@ -27,7 +27,7 @@

Step 4) Start grpc client (on client with microphone).
```
# Install dependency.
# Install dependency. Optional.
python -m pip install pyaudio webrtcvad
```
```