fixed gene filtering with sample size <=3, #253 #298

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: GSEApy

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade setuptools
	python -m pip install wheel
	python -m pip install tqdm
	pip install -r requirements.txt
	- name: Lint with flake8
	run: \|
	pip install flake8 flake8-black flake8-isort
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82,BLK100,I001,I002,I003,I004,I005 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

	# - name: Test with covarege
	# run: \|
	# cd ${GITHUB_WORKSPACE}
	# pip install coverage
	# pip install coveralls
	# python setup.py install
	# # coverage run setup.py test
	- name: Test with pytest
	run: \|
	cd ${GITHUB_WORKSPACE}
	pip install pytest
	pip install pytest-cov
	pip install -e .
	pytest

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