lib/earth/automobile/automobile_make/data_miner.rb in earth-0.12.0 vs lib/earth/automobile/automobile_make/data_miner.rb in earth-0.12.1

@@ -16,12 +16,13 @@
       )
     end
     
     process "Derive fuel efficiency from AutomobileMakeYear" do
       find_each do |make|
-        make.fuel_efficiency = make.make_years.weighted_average(:fuel_efficiency)
-        make.fuel_efficiency_units = make.make_years.first.fuel_efficiency_units
-        make.save!
+        make.update_attributes!(
+          :fuel_efficiency => make.make_years.weighted_average(:fuel_efficiency),
+          :fuel_efficiency_units => make.make_years.first.fuel_efficiency_units
+        )
       end
     end
   end
 end