[EN-8798] [PythonAPI] Lock the Сython version #35

	# This workflow will check package installation and runs tests on PR
	name: Test on PR

	on:
	pull_request:
	types: [opened, reopened, synchronize]

	jobs:
	installation:
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-latest, windows-latest, macos-latest]
	python-version: [3.7, 3.8, 3.9]
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	uses: abatilo/actions-poetry@v2

	- name: Set poetry env
	run: \|
	pip install --upgrade pip
	poetry install
	poetry run task build_inplace
	pip uninstall --yes taskipy cython
	shell: bash

	- name: Install package artifact
	run: \|
	pip install dist/dxfeed*
	pip uninstall --yes dxfeed
	shell: bash

	tests:
	needs: installation
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-latest, windows-latest, macos-latest]
	python-version: [3.7, 3.8, 3.9]
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	uses: abatilo/actions-poetry@v2

	- name: Set poetry env
	run: \|
	pip install --upgrade pip
	poetry install
	shell: bash

	- name: Run tests
	run: \|
	poetry run task test
	shell: bash

	- name: Generate doc
	if: matrix.os == 'ubuntu-20.04' && matrix.python-version == 3.7
	run: \|
	poetry run task html_docs
	shell: bash

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