docs: update documentation files and fix linting issues

tests/common/test_hypothesis_tests.py

@@ -10,20 +10,18 @@ seconds to complete. They are intended for CI/full test runs, not for
 fast feedback during development.
 """
 
-from typing import List
 
 import numpy as np
-import pytest
 from hypothesis import given, settings, strategies as st
 
 from beta_spectrum.components.fermi import FermiFunction
 from beta_spectrum.components.phase_space import PhaseSpace
 
-
 # ---------------------------------------------------------------------------
 # Fermi function: random Z, A, W combinations
 # ---------------------------------------------------------------------------
 
+
 @given(
     Z=st.integers(min_value=1, max_value=92),
     A=st.integers(min_value=1, max_value=300),
@@ -56,8 +54,7 @@ def test_fermi_monotonic_for_fixed_Z(Z: int):
 
     diffs = np.diff(result)
     assert np.all(diffs <= 0), (
-        f"Fermi function not monotonically decreasing for Z={Z}: "
-        f"diffs = {diffs}"
+        f"Fermi function not monotonically decreasing for Z={Z}: " f"diffs = {diffs}"
     )
 
 
@@ -65,6 +62,7 @@ def test_fermi_monotonic_for_fixed_Z(Z: int):
 # Phase space: random W0, W combinations
 # ---------------------------------------------------------------------------
 
+
 @given(
     W0=st.floats(min_value=2.0, max_value=10.0, allow_infinity=False, allow_nan=False),
     W=st.floats(min_value=1.01, max_value=5.0, allow_infinity=False, allow_nan=False),
@@ -91,7 +89,9 @@ def test_phase_space_threshold_at_W1(W0: float):
     ps = PhaseSpace(W0=W0)
     result = ps(np.array([1.0]))
 
-    assert result[0] == 0.0, f"Phase space should be 0 at W=1 for W0={W0:.2f}, got {result[0]}"
+    assert (
+        result[0] == 0.0
+    ), f"Phase space should be 0 at W=1 for W0={W0:.2f}, got {result[0]}"
 
 
 @given(
@@ -103,4 +103,6 @@ def test_phase_space_endpoint_at_W0(W0: float):
     ps = PhaseSpace(W0=W0)
     result = ps(np.array([W0]))
 
-    assert result[0] == 0.0, f"Phase space should be 0 at W=W0={W0:.2f}, got {result[0]}"
+    assert (
+        result[0] == 0.0
+    ), f"Phase space should be 0 at W=W0={W0:.2f}, got {result[0]}"