Reduced focal loss implementation is incorrect for binary case #545

	name: CI
	on: [push, pull_request]

	jobs:
	test_and_lint:
	name: Test and lint
	runs-on: ${{ matrix.operating-system }}
	strategy:
	matrix:
	operating-system: [ubuntu-latest, windows-latest, macos-latest]
	python-version: ['3.8', '3.9', '3.10', '3.11']
	pytorch-toolbelt-version: [tests]
	fail-fast: false
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Update pip
	run: python -m pip install --upgrade pip
	- name: Install PyTorch
	run: pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cpu
	- name: Install dependencies
	run: pip install .[${{ matrix.pytorch-toolbelt-version }}]
	- name: Install linters
	run: pip install flake8==5
	- name: Run PyTest
	run: pytest
	- name: Run Flake8
	run: flake8
	# - name: Install MyPy
	# run: pip install mypy==0.800
	# - name: Run mypy
	# run: mypy .

	check_code_formatting:
	name: Check code formatting with Black
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11']
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Update pip
	run: python -m pip install --upgrade pip
	- name: Install Black
	run: pip install black==23.7.0
	- name: Run Black
	run: black --config=pyproject.toml --check .

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