Ruff format

python/demo/demo_half_loaded_waveguide.py

@@ -461,7 +461,7 @@ def Omega_v(x):
         # Verify if kz is consistent with the analytical equations
         assert verify_mode(kz, w, h, d, lmbd0, eps_d, eps_v, threshold=1e-4)
 
-        print(f"eigenvalue: {-kz**2}")
+        print(f"eigenvalue: {-(kz**2)}")
         print(f"kz: {kz}")
         print(f"kz/k0: {kz / k0}")
 

python/dolfinx/fem/function.py

@@ -316,9 +316,9 @@ def __init__(
             if dtype is None:
                 dtype = default_scalar_type
 
-        assert np.issubdtype(
-            V.element.dtype, np.dtype(dtype).type(0).real.dtype
-        ), "Incompatible FunctionSpace dtype and requested dtype."
+        assert np.issubdtype(V.element.dtype, np.dtype(dtype).type(0).real.dtype), (
+            "Incompatible FunctionSpace dtype and requested dtype."
+        )
 
         # Create cpp Function
         def functiontype(dtype):
@@ -592,9 +592,9 @@ def functionspace(
     element = finiteelement(mesh.topology.cell_type, ufl_e, dtype)
     cpp_dofmap = _cpp.fem.create_dofmap(mesh.comm, mesh.topology._cpp_object, element._cpp_object)
 
-    assert np.issubdtype(
-        mesh.geometry.x.dtype, element.dtype
-    ), "Mesh and element dtype are not compatible."
+    assert np.issubdtype(mesh.geometry.x.dtype, element.dtype), (
+        "Mesh and element dtype are not compatible."
+    )
 
     # Initialize the cpp.FunctionSpace
     try:

python/test/conftest.py

@@ -192,7 +192,7 @@ def _global_dot(comm, v0, v1):
             p.array[:nr] = beta * p.array[:nr] + r
 
         raise RuntimeError(
-            f"Solver exceeded max iterations ({maxit}). Relative residual={rnorm/rnorm0}."
+            f"Solver exceeded max iterations ({maxit}). Relative residual={rnorm / rnorm0}."
         )
 
     return _cg