In the Readme code example the delimiter doesn't match, the right one should be as below:
(def credentials (oauth/credentials consumer
(:oauth_token access-token-response)
(:oauth_token_secret access-token-response)
:POST
"http://api.twitter.com/1.1/statuses/update.json"
{:status "posting from #clojure with #oauth"})) <-- The right delimiter
In the Readme code example the delimiter doesn't match, the right one should be as below: