Typing fixes

PiperOrigin-RevId: 897312424
Change-Id: Iba3c4b1e21c0f05f5ecada70a74bd156b7b6acf9

Author: QEDady

ferminet/utils/scf.py

@@ -360,9 +360,7 @@ def scf_unflatten(aux_data, children) -> Scf:
 
 
 def get_ordered_excitations(
-    mean_field: ...,
-    n: int = 10,
-    preserve_spin: bool = False
+    mean_field, n: int = 10, preserve_spin: bool = False
 ) -> list[tuple[float, int, list[SpinOrbitalSwap]]]:
   """Compute energies of lowest n single/double excitations from HF result.