fix warning bug in paired subsample #229

	# 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: Build MetaPhlAn package

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

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ 3.7 ]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	pip install numpy scipy cython
	sudo apt install bowtie2 muscle ncbi-blast+ raxml
	pip install .
	- name: Test
	run: \|
	metaphlan -v
	strainphlan -h
	extract_markers.py -h
	merge_metaphlan_tables.py -h
	read_fastx.py -h
	add_metadata_tree.py -h
	plot_tree_graphlan.py -h
	sample2markers.py -h
	strain_transmission.py -h

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