small fixes after running pre-commit

Author: jchkoch

.python-version

@@ -63,6 +63,4 @@
     tee_section,
     zed_section,
 )
-from sectionproperties.pre.library.timber_sections import (
-    clt_rectangular_section
-)
+from sectionproperties.pre.library.timber_sections import clt_rectangular_section

docs/examples/geometry/section_library.ipynb

@@ -8,9 +8,7 @@
 
 
 def clt_rectangular_section(
-    d: list[float],
-    lay_orient: list[pre.Material],
-    b: float
+    d: list[float], lay_orient: list[pre.Material], b: float
 ) -> geometry.CompoundGeometry:
     """Constructs a timber rectangular section.
 
@@ -32,17 +30,15 @@ def clt_rectangular_section(
     Example:
         The following example creates a 120mm CLT cross-section.
     """
-
-    layer_geom = list()
+    layer_geom = []
     for idx in range(len(d)):
         di = float(d[idx])
         layer = lay_orient[idx]
 
         timb_mat = layer
 
         # create rectangular timber geometry
-        layer = primitive_sections.rectangular_section(d=di, b=b,
-                                                       material=timb_mat)
+        layer = primitive_sections.rectangular_section(d=di, b=b, material=timb_mat)
         offset = -d[idx] * (idx + 1)
         layer = layer.shift_section(y_offset=offset)
 
@@ -54,4 +50,5 @@ def clt_rectangular_section(
     if isinstance(geom, geometry.CompoundGeometry):
         return geom
     else:
-        raise ValueError("Timber section generation failed.")
+        msg = "Timber section generation failed."
+        raise ValueError(msg)

src/sectionproperties/pre/library/__init__.py

@@ -2,15 +2,12 @@
 
 from __future__ import annotations
 
-import numpy as np
 import pytest
 import pytest_check as check
 
 import sectionproperties.pre.library.timber_sections as ts
-import sectionproperties.pre.library.primitive_sections as ps
 import sectionproperties.pre.pre as pre
 
-
 r_tol = 1e-6
 
 
@@ -22,7 +19,6 @@ def get_materials() -> tuple[pre.Material, pre.Material]:
     Returns:
         Material objects
     """
-
     timb_mat0 = pre.Material(
         name="Timber E0",
         elastic_modulus=9.5e3,
@@ -53,7 +49,7 @@ def test_timber_clt_rectangular_section(get_materials):
         lay_orient=[0, 90, 0],
         b=1000,
         timb_mat0=timber0,
-        timb_mat90=timber90
+        timb_mat90=timber90,
     )
 
     # check geometry is created correctly