Add multi-softmax architecture for CTC, RNN-T and Hybrid models #1

	name: CI-Import-Check

	on:
	push:
	pull_request:
	paths:
	- "**"

	jobs:
	ci-import-check:
	runs-on: ubuntu-latest

	# Check https://hub.docker.com/r/pytorch/pytorch/tags for latest tags
	container:
	image: pytorch/pytorch:1.11.0-cuda11.3-cudnn8-runtime

	steps:
	- uses: actions/checkout@v2

	- name: Update base dependencies
	run: \|
	apt-get update && apt-get install -y build-essential
	apt-get install -y libsndfile1 make

	- name: Install nemo dependencies
	id: nemo-wheel
	run: \|
	# install test requirements
	pip install -r requirements/requirements_test.txt
	# Build nemo as a wheel
	pip install build
	python -m build --no-isolation --wheel
	# Preserve wheel location
	DIST_FILE=$(find ./dist -name "*.whl" \| head -n 1)
	echo "::set-output name=DIST_FILE::${DIST_FILE}"

	- name: Test ASR Domain Imports
	run: \|
	# Install NeMo Domain
	pip install "${{ steps.nemo-wheel.outputs.DIST_FILE }}[asr]"
	# Run import checks
	python tests/core_ptl/check_imports.py --domain "asr"
	# Uninstall NeMo
	pip uninstall -y nemo_toolkit

	- name: Test TTS Domain Imports
	run: \|
	# Install NeMo Domain
	pip install "${{ steps.nemo-wheel.outputs.DIST_FILE }}[tts]"
	# Run import checks
	python tests/core_ptl/check_imports.py --domain "tts"
	# Uninstall NeMo
	pip uninstall -y nemo_toolkit

	- name: Test NLP Domain Imports
	run: \|
	# Install NeMo Domain
	pip install "${{ steps.nemo-wheel.outputs.DIST_FILE }}[nlp]"
	# Run import checks
	python tests/core_ptl/check_imports.py --domain "nlp"
	# Uninstall NeMo
	pip uninstall -y nemo_toolkit

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