∀ {M : Type u_2} {X : Type u_3} {α : Type u_4} [inst : MeasurableSpace X] [inst_1 : SMul M X] {m : MeasurableSpace α}
  {μ : MeasureTheory.Measure α} {g : α → X} [MeasurableConstSMul M X],
  AEMeasurable g μ → ∀ (c : M), AEMeasurable (fun x => c • g x) μ