multiline import isort

pyproject.toml

@@ -98,4 +98,8 @@ deps = coverage
 commands =
     pip install -e '.[dev]'
     pytest --cov --cov-report=xml
-"""
+"""
+
+[tool.isort]
+multi_line_output = 3
+include_trailing_comma = true

tests/sample/items/test_gradient_layer.py

@@ -3,12 +3,15 @@
 import pytest
 from numpy.testing import assert_almost_equal
 
-from EasyReflectometry.sample.item import GradientLayer
-from EasyReflectometry.sample.items.gradient_layer import _linear_gradient, _apply_thickness_constraints, _prepare_gradient_layers
 import EasyReflectometry.sample.items.gradient_layer
+from EasyReflectometry.sample.item import GradientLayer
+from EasyReflectometry.sample.items.gradient_layer import (
+    _apply_thickness_constraints,
+    _linear_gradient,
+    _prepare_gradient_layers,
+)
 from EasyReflectometry.sample.layer import Layer
 from EasyReflectometry.sample.material import Material
-from easyCore.Objects.ObjectClasses import Parameter
 
 
 class TestGradientLayer():