fix not a package type error for importlib #142

	name: Test

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	validate:
	runs-on: ubuntu-latest
	steps:
	- name: Check out diffpy.pdfgui
	uses: actions/checkout@v4

	- name: Initialize miniconda
	uses: conda-incubator/setup-miniconda@v3
	with:
	activate-environment: test
	auto-update-conda: true
	environment-file: environment.yml
	auto-activate-base: false

	- name: Conda config
	run: >-
	conda config --set always_yes yes
	--set changeps1 no

	- name: Install diffpy.pdfgui and requirements
	run: \|
	conda install --file requirements/run.txt
	conda install --file requirements/test.txt
	python -m pip install -r requirements/pip.txt
	python -m pip install . --no-deps

	- name: Install Xvfb
	run: sudo apt-get install -y xvfb

	- name: Start Xvfb
	run: \|
	export DISPLAY=:99
	Xvfb :99 -screen 0 1024x768x16 &

	- name: Validate diffpy.pdfgui
	run: \|
	export DISPLAY=:99
	python -m pytest

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