[Tests] cleanup

masque/test/test_oasis.py

@@ -1,28 +1,27 @@
-import pytest
-import numpy
-from numpy.testing import assert_equal
 from pathlib import Path
+import pytest
+from numpy.testing import assert_equal
 
 from ..pattern import Pattern
 from ..library import Library
 from ..file import oasis
 
-def test_oasis_roundtrip(tmp_path):
+
+def test_oasis_roundtrip(tmp_path: Path) -> None:
     # Skip if fatamorgana is not installed
     pytest.importorskip("fatamorgana")
-    
+
     lib = Library()
     pat1 = Pattern()
     pat1.polygon((1, 0), vertices=[[0, 0], [10, 0], [10, 10], [0, 10]])
     lib["cell1"] = pat1
-    
+
     oas_file = tmp_path / "test.oas"
     # OASIS needs units_per_micron
     oasis.writefile(lib, oas_file, units_per_micron=1000)
-    
+
     read_lib, info = oasis.readfile(oas_file)
     assert "cell1" in read_lib
-    
+
     # Check bounds
     assert_equal(read_lib["cell1"].get_bounds(), [[0, 0], [10, 10]])
-