samples/download_webpage.rb in args_parser-0.0.7 vs samples/download_webpage.rb in args_parser-0.0.8

@@ -10,10 +10,10 @@
   arg :output, 'output file', :alias => :o, :default => 'out.html'
   arg :verbose, 'verbose mode'
   arg :help, 'show help', :alias => :h
 
   filter :url do |v|
-    v.strip
+    v.to_s.strip
   end
 
   validate :url, "invalid URL" do |v|
     v =~ /^https?:\/\/.+$/
   end