Trying to get HTTPoison running

gistfile1.txt

defmodule ElixirBart.MixProject do
  use Mix.Project

  def project do
    [
      app: :elixir_bart,
      version: "0.1.0",
      elixir: "~> 1.6",
      start_permanent: Mix.env() == :prod,
      deps: deps()
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger]
    ]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:httpoison, "~> 1.0"}
      # {:dep_from_hexpm, "~> 0.3.0"},
      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
    ]
  end
end


defmodule ElixirBart do
  HTTPoison.Base
  @moduledoc """
  Documentation for ElixirBart.
  """


  @doc """
  Hello world.

  ## Examples

      iex> ElixirBart.hello
      :world

  """
  def hello do
    :world
  end

  def call_api() do
    HTTPosion.start
    HTTposion.get! "http://httparrot.herokuapp.com/get"
  end
end