Update vehicles_controller.rb

app/controllers/vehicles_controller.rb

@@ -24,7 +24,7 @@ class VehiclesController < ApplicationController
   # return an HTML form for creating a new vehicle
   def new
     @vehicle = Vehicle.new
-    @customers = Customer.all.order(:name)
+    @customers = Customer.without_callback(:initialize, :after, :pull).all.order(:name)
   end
 
   # create a new vehicle
@@ -52,7 +52,7 @@ class VehiclesController < ApplicationController
   def edit
     begin
       @vehicle = Vehicle.find_by_id(params[:id])
-      @customers = Customer.all.order(:name)
+      @customers = Customer.without_callback(:initialize, :after, :pull).all.order(:name)
     rescue ActiveRecord::RecordNotFound
       render_404
     end