Stacktrace caused by calling a hiccup.core function inside osc-scrape.util

hiccup-stracktrace.txt

Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeExceptio
n: java.lang.IllegalStateException: Var hiccup.core/render-attrs is unbound.
        at clojure.lang.LazySeq.sval(LazySeq.java:47)
        at clojure.lang.LazySeq.seq(LazySeq.java:56)
        at clojure.lang.RT.seq(RT.java:450)
        at clojure.core$seq.invoke(core.clj:122)
        at clojure.core$apply.invoke(core.clj:540)
        at osc_scrape.util$outline_to_html_list.invoke(util.clj:48)
        at osc_scrape.util$gen_report.invoke(util.clj:82)
        at osc_scrape.core$start_scrape.invoke(core.clj:137)
        at osc_scrape.core$_main.invoke(core.clj:143)
        at clojure.lang.AFn.applyToHelper(AFn.java:159)
        at clojure.lang.AFn.applyTo(AFn.java:151)
        at osc_scrape.core.main(Unknown Source)
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: Var hicc
up.core/render-attrs is unbound.
        at clojure.lang.LazySeq.sval(LazySeq.java:47)
        at clojure.lang.LazySeq.seq(LazySeq.java:56)
        at clojure.lang.RT.seq(RT.java:450)
        at clojure.core$seq.invoke(core.clj:122)
        at clojure.core$apply.invoke(core.clj:540)
        at osc_scrape.util$outline_to_html_list$iter__730__734$fn__735.invoke(ut
il.clj:63)
        at clojure.lang.LazySeq.sval(LazySeq.java:42)
        ... 11 more
Caused by: java.lang.IllegalStateException: Var hiccup.core/render-attrs is unbo
und.
        at clojure.lang.Var.deref(Var.java:142)
        at clojure.lang.Var.fn(Var.java:342)
        at clojure.lang.Var.invoke(Var.java:365)
        at osc_scrape.util$outline_to_html_list$iter__730__734$fn__735$iter__772
__776$fn__777.invoke(util.clj:65)
        at clojure.lang.LazySeq.sval(LazySeq.java:42)
        ... 17 more