M4Singer Recipe for SVS (#407)

fix #419 (#420)

revert python version check

Update version and add ci for newest pytorch (#418)

Add LibriTTS-R recipe (#414)

Update ci.yaml

Update ci.yaml

fix the case when segments has different #lines from wav.scp (#413)

fix pyreaper installation (#411)

fix linter

update test_hifigan.py

fix current_module_keys

fix pytorch version issue

fix norm issue (#409)

fix ci