[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/test_graphical_units/test_threed.py

@@ -166,12 +166,12 @@ def param_surface(u, v):
 def test_get_start_and_end_Arrow3d():
     start, end = ORIGIN, np.array([2, 1, 0], dtype=np.float64)
     arrow = Arrow3D(start, end)
-    assert np.allclose(
-        arrow.get_start(), start, atol=0.01
-    ), "start points of Arrow3D do not match"
-    assert np.allclose(
-        arrow.get_end(), end, atol=0.01
-    ), "end points of Arrow3D do not match"
+    assert np.allclose(arrow.get_start(), start, atol=0.01), (
+        "start points of Arrow3D do not match"
+    )
+    assert np.allclose(arrow.get_end(), end, atol=0.01), (
+        "end points of Arrow3D do not match"
+    )
 
 
 def test_type_conversion_in_Line3D():
@@ -188,11 +188,10 @@ def test_type_conversion_in_Arrow3D():
     type_table = [type(item) for item in [*line.get_start(), *line.get_end()]]
     bool_table = [t == np.float64 for t in type_table]
     assert all(bool_table), "Types of start and end points are not np.float64"
-    
+
     assert np.allclose(arrow.get_start(), start, atol=0.01), (
         "start points of Arrow3D do not match"
     )
     assert np.allclose(arrow.get_end(), end, atol=0.01), (
         "end points of Arrow3D do not match"
     )
-