∀ {X : Type u_2} {Y : Type u_3} {Z : Type u_1} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y]
  [inst_2 : TopologicalSpace Z] (e : OpenPartialHomeomorph X Y) (f' : Y ≃ₜ Z),
  ContinuousOn (↑e.symm ∘ ↑(f'.toPartialEquiv.restr e.target).symm) (e.transEquiv f'.toEquiv).target