fix:handle empty string transcriptions #219

	name: Run UnitTests
	on:
	pull_request:
	branches:
	- dev
	paths-ignore:
	- 'ovos_listener/version.py'
	- 'examples/**'
	- '.github/**'
	- '.gitignore'
	- 'LICENSE'
	- 'CHANGELOG.md'
	- 'MANIFEST.in'
	- 'readme.md'
	- 'scripts/**'
	push:
	branches:
	- master
	paths-ignore:
	- 'ovos_dinkum_listener/version.py'
	- 'requirements/**'
	- 'examples/**'
	- '.github/**'
	- '.gitignore'
	- 'LICENSE'
	- 'CHANGELOG.md'
	- 'MANIFEST.in'
	- 'readme.md'
	- 'scripts/**'
	workflow_dispatch:

	jobs:
	unit_tests:
	strategy:
	matrix:
	python-version: [ 3.7, 3.8, 3.9, '3.10' ]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install System Dependencies
	run: \|
	sudo apt-get update
	sudo apt install python3-dev swig libssl-dev libpulse-dev portaudio19-dev
	python -m pip install build wheel
	- name: Install core repo
	run: \|
	pip install .[extras,linux,onnx]
	- name: Install test dependencies
	run: \|
	pip install -r requirements/tests.txt
	- name: Run unittests
	run: \|
	pytest test/unittests

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