/usr/share/gems/gems/json-1.7.7/lib/json/common.rb:155:in `initialize': no implicit conversion of nil into String (TypeError)
	from /usr/share/gems/gems/json-1.7.7/lib/json/common.rb:155:in `new'
	from /usr/share/gems/gems/json-1.7.7/lib/json/common.rb:155:in `parse'
	from /home/leet/api.rb:25:in `<main>'