It works only if status doesn't contain UTF-8 characters.
Grackle::TwitterError => Unexpected failure making request: incompatible character encodings: UTF-8 and ASCII-8BIT
ruby-1.9.3-p448/gems/grackle-0.3.0/lib/grackle/client.rb:266:in `rescue in send_request'
ruby-1.9.3-p448/gems/grackle-0.3.0/lib/grackle/client.rb:254:in `send_request'
ruby-1.9.3-p448/gems/grackle-0.3.0/lib/grackle/client.rb:247:in `call_with_format'
It works only if status doesn't contain UTF-8 characters.