Failed to parse warning

[pedrodias]

Precheck

• Take a look at the open issues and be sure that your issue is not already covered. - Done
• Be sure your versions of Dialyxir and Erlex are up to date. - Done

Environment

• Elixir & Erlang/OTP versions (elixir --version): 1.12.3

• Which version of Dialyxir are you using? (cat mix.lock | grep dialyxir): 1.1.0

Current behavior

• The function might return nil and dialyzer is not able to understand it the signature is @spec format(Test.t()) :: %{a: String.t(), b: String.t(), c: String.t()} | nil
• Failed to parse warning:
  [{:_, 1}, {:atom_part, 1, 'e'}, {:atom_part, 1, 'v'}, {:atom_part, 1, 'e'}, {:atom_part, 1, 'n'}, {:atom_part, 1, 't'}, {:atom_part, 1, '@'}, {:int, 1, 1}, {:=, 1}, {:"#", 1}, {:"{", 1}, {:atom_full, 1, ''c''}, {:":=", 1}, {:<, 1}, {:<, 1}, {:int, 1, 5420150534173238789090862131555}, {:":", 1}, {:int, 1, 104}, {:>, 1}, {:>, 1}, {:"}", 1}]

Expected behavior

• To the warning to be parsed