Code that will trigger the error in aleph 0.2.1-rc2

core.clj

(ns test.core
  (:use aleph.redis))

(defn -main [& args]
  (def ch1 (aleph.redis/redis-stream {:host "localhost", :port 6379}))
  (lamina.core/on-closed ch1 #(println "ch1 closed"))
  (aleph.redis/subscribe ch1 "babe"))