Merge pull request #349 from DanielYang59/mpl-backend

`matplotlib` use non-interactive agg backend

.github/workflows/python-package.yml

@@ -58,6 +58,8 @@ jobs:
     - name: Test with pytest and coverage
       # run this locally to update tests durations
       # pytest --cov=lobsterpy --cov-append --splits 1 --group 1 --durations-path ./tests/test_data/.pytest-split-durations --store-durations
+      env:
+        MPLBACKEND: Agg  # non-interactive backend for matplotlib
       run: |
         micromamba activate lobpy
         pytest --cov=lobsterpy --cov-report term-missing --cov-append --splits 6 --group ${{ matrix.split }} -vv --durations-path ./tests/test_data/.pytest-split-durations

pyproject.toml

@@ -31,7 +31,6 @@ requires-python = ">=3.10,<3.13"
 dependencies = [
      "pymatgen>=2024.10.22",
      "numpy<3.0.0",
-     "typing",
 ]
 
 [tool.setuptools.package-data]

tests/cli/test_cli.py

@@ -72,8 +72,8 @@ def setup_class(cls):
 
     @pytest.mark.parametrize("args", test_cases)
     def test_cli_results(self, args, capsys, inject_mocks, clean_plot):
-        # Use Ubuntu default backend for consistency across OS
-        mpl.use("agg")
+        # Use non-interactive Agg matplotlib backend to get consistent results across OS
+        mpl.use("Agg")
 
         test = get_parser().parse_args(args)
         run(test)