fix a bug in example #44

	# 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: Python package

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

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.8"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install pytest pytest-cov
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	pip install -r examples/test_requirements.txt
	pip install coverage codecov
	python setup.py install
	- name: Install redis
	run: \|
	sudo apt update
	sudo apt install redis -y
	pip install redis
	- name: Install gcc
	run: \|
	sudo apt update
	sudo apt install gcc -y
	python setup.py install
	- name: Test all
	run: \|
	redis-server --daemonize yes
	cp examples/img.jpeg img.jpeg
	coverage run -p examples/example1.py
	coverage run -p examples/example_redis.py
	coverage run -p examples/example_save.py
	coverage run -p examples/example_img_hash.py
	coverage run -p examples/example_img_hist.py
	coverage run -p examples/example_simhash.py
	coverage run -p examples/example_simhash2.py
	coverage run -p examples/example_fuzzy_hash.py
	- name: Cov
	run: \|
	coverage combine
	codecov

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