Add a missing require

bbatsov · bbatsov · commit 63253404237f · 2019-01-02T11:40:19.000+02:00
diff --git a/src/cider/nrepl/middleware/util/instrument.clj b/src/cider/nrepl/middleware/util/instrument.clj
@@ -2,6 +2,7 @@
   "Generic instrumentation for clojure code"
   {:author "Artur Malabarba"}
   (:require
+   clojure.pprint
    [clojure.walk :as walk]
    [orchard.meta :as m]))
 
