refactor: Lint

HepLean/SpaceTime/WeylFermion/OverCat.lean

@@ -50,12 +50,10 @@ lemma toEquiv_symm_apply (m : f ⟶ g) (i : g.left) :
     f.hom ((toEquiv m).symm i) = g.hom i := by
   simpa [toEquiv, types_comp] using congrFun m.inv.w i
 
-lemma toEquiv_comp_hom  (m : f ⟶ g) : g.hom ∘ (toEquiv m) = f.hom := by
+lemma toEquiv_comp_hom (m : f ⟶ g) : g.hom ∘ (toEquiv m) = f.hom := by
   ext x
   simpa [types_comp, toEquiv] using congrFun m.hom.w x
 
-
-
 end Hom
 
 instance (C : Type) : MonoidalCategoryStruct (OverColor C) where
@@ -284,6 +282,5 @@ def colorFun : OverColor Color ⥤ Rep ℂ SL(2, ℂ) where
       Equiv.cast_apply, cast_cast, cast_inj]
     rfl
 
-
 end
 end Fermion