drivers.rb in capybara-screenshot-diff-1.9.0

- old
+ new

@@ -3,10 +3,10 @@
 module Capybara
   module Screenshot
     module Diff
       module Drivers
         def self.for(driver_options = {})
-          driver_option = driver_options.fetch(:driver, :chunky_png)
+          driver_option = driver_options.is_a?(Hash) ? driver_options.fetch(:driver, :chunky_png) : driver_options
           return driver_option unless driver_option.is_a?(Symbol)
 
           Utils.find_driver_class_for(driver_option).new
         end
       end