lint and fixes

Author: leo-collins

firedrake/interpolation.py

@@ -232,7 +232,7 @@ def _build_callable(self, tensor: Function | Cofunction | MatrixBase | None = No
         pass
 
     def assemble(
-            self, 
+            self,
             tensor: Function | Cofunction | MatrixBase | None = None,
             bcs: Iterable[DirichletBC] | None = None
     ) -> Function | Cofunction | MatrixBase | Number:

firedrake/preconditioners/hiptmair.py

@@ -202,7 +202,7 @@ def coarsen(self, pc):
 
         coarse_space_bcs = tuple(coarse_space_bcs)
         if G_callback is None:
-            interp_petscmat = chop(assemble(interpolate(dminus(trial), V), bcs=bcs + coarse_space_bcs)).mat()
+            interp_petscmat = chop(assemble(interpolate(dminus(trial), V), bcs=bcs + coarse_space_bcs).mat())
         else:
             interp_petscmat = G_callback(coarse_space, V, coarse_space_bcs, bcs)