RuntimeException: Don't know how to create ISeq from: clojure.lang.Symbol

[stefan-pdx]

Attempted to run using Lein 1.7.1:

lein gossip src/clojure

Resulted in:

Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.IllegalArgumentException: Don't know how to create ISeq from: clojure.lang.Symbol
    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$seq.invoke(core.clj:122)
    at clojure.core$r.invoke(core.clj:793)
    at clojure.core$into.invoke(core.clj:2614)
    at leiningen.gossip.callgraphing$create_used_namespace_lookup.invoke(callgraphing.clj:79)
    at leiningen.gossip.callgraphing$select_defs_and_calls.invoke(callgraphing.clj:113)
    at leiningen.gossip.callgraphing$clj_to_dot.invoke(callgraphing.clj:186)
    at leiningen.gossip.callgraphing$generate_dot_files_from_clj_files.invoke(callgraphing.clj:212)

[rplevy]

I think this issue is fixed by my PR (Issue #2) because I came across the same problem. It was assuming all top-level forms are collections in a couple of functions, so I fixed that in order to use it.

[actsasgeek]

Thanks again! I merged your PR. I'm going to try to pick this project up again.