Minor corrections

fenicsxprecice/adapter_core.py

@@ -177,11 +177,11 @@ def get_fenicsx_vertices(function_space, coupling_subdomain, dims):
         on_subdomain = coupling_subdomain(mesh.geometry.x.T)
         ids, = np.where(on_subdomain)
         if dims == 2:
-            coords = mesh.geometry.x[ids][:,:2]
+            coords = mesh.geometry.x[ids][:, :2]
         else:
             coords = np.array([])
     except Exception as e:  # fall back to old method  # TODO is that to general? Better use, e.g., IndexError here?
-        print(f"Caught the following exception in the detection of the coupling subdomain:\n{e}")
+        print("Caught the following exception in the detection of the coupling subdomain:\n{e}")
         print("Falling back to old, point-wise method.")
         ids, coords = [], []
         for idx in range(mesh.geometry.x.shape[0]):

fenicsxprecice/fenicsxprecice.py

@@ -271,7 +271,6 @@ def initialize(self, coupling_subdomain, read_function_space=None, write_object=
             self._write_function_type = determine_function_type(write_function_space)
             self._write_function_space = write_function_space
 
-        coords = function_space.mesh.geometry.x
         self._fenicsx_dims = function_space.mesh.geometry.dim
 
         # Ensure that function spaces of read and write functions use the same mesh