austin NPE

depstree

ambrose@ambrose-VirtualBox:~/Projects/scratch/test-austin$ lein deps :tree
 [clojure-complete "0.2.3" :exclusions [[org.clojure/clojure]]]
 [com.cemerick/austin "0.1.4" :exclusions [[org.clojure/clojurescript]]]
 [com.cemerick/piggieback "0.1.3" :exclusions [[org.clojure/clojurescript]]]
 [org.clojure/clojure "1.5.1"]
 [org.clojure/clojurescript "0.0-2173"]
   [com.google.javascript/closure-compiler "v20131014"]
     [args4j "2.0.16"]
     [com.google.code.findbugs/jsr305 "1.3.9"]
     [com.google.guava/guava "15.0"]
     [com.google.protobuf/protobuf-java "2.4.1"]
     [org.json/json "20090211"]
   [org.clojure/data.json "0.2.3"]
   [org.clojure/google-closure-library "0.0-20130212-95c19e7f0f5f"]
     [org.clojure/google-closure-library-third-party "0.0-20130212-95c19e7f0f5f"]
   [org.clojure/tools.reader "0.8.3"]
   [org.mozilla/rhino "1.7R4"]
 [org.clojure/tools.nrepl "0.2.3" :exclusions [[org.clojure/clojure]]]

project.clj

(defproject test-austin "0.1.0-SNAPSHOT"
  :description "FIXME: write description"
  :url "http://example.com/FIXME"
  :license {:name "Eclipse Public License"
            :url "http://www.eclipse.org/legal/epl-v10.html"}
  :dependencies [[org.clojure/clojure "1.5.1"]
                 [org.clojure/clojurescript "0.0-2173"]
                 [com.cemerick/piggieback "0.1.3"
                  :exclusions [org.clojure/clojurescript]]
                 [com.cemerick/austin "0.1.4"
                  :exclusions [org.clojure/clojurescript]]
                 ])

REPL.clj

user=> (require 'cemerick.austin.repls)
nil
user=> (cemerick.austin.repls/exec)

NullPointerException   clojure.core/complement/fn--4048 (core.clj:1357)