fixed invalid-print-syntax warnings from flake8 (#477) #4

	# This workflow will install Python dependencies, and run flake8 for syntax errors only.
	#
	# Edward Hartnett, 9/9/24

	name: flake8

	on:
	push:
	branches: [ "dev-sci" ]
	pull_request:
	branches: [ "dev-sci" ]

	permissions:
	contents: read

	jobs:
	flake8_build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest pytest-cov coverage numpy netCDF4
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors
	flake8 . --count --select=E9,F63,F7 --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

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