vinz_access.compile_error2

vinz_access [master] ✗ $ mix deps.get && mix test
All dependencies up to date
* Compiling poolboy
==> poolboy (compile)
* Compiling decimal
* Compiling postgrex
* Compiling ecto
Compiled lib/mix/tasks/access.ex
Compiled lib/vinz/access/repo.ex
Compiled lib/vinz/access/models/principal.ex
Compiled lib/vinz/access/models/group_member.ex
== Compilation error on file lib/vinz/access.ex ==
** (CompileError) lib/vinz/access.ex:49: function r/0 undefined
    (stdlib) lists.erl:1336: :lists.foreach/2
    (stdlib) erl_eval.erl:657: :erl_eval.do_apply/6
    (elixir) src/elixir.erl:140: :elixir.eval_forms/4
    (elixir) src/elixir_lexical.erl:17: :elixir_lexical.run/2