∀ {α : Type u_1} {ε : Type u_2} {m0 : MeasurableSpace α} {p : ENNReal} {μ : MeasureTheory.Measure α} [inst : ENorm ε]
  (f : α → ε), MeasureTheory.eLpNorm (fun x => ‖f x‖ₑ) p μ = MeasureTheory.eLpNorm f p μ