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	diff --git a/lib/captcha.ex b/lib/captcha.ex
	index caed0ca..8863df6 100644
	--- a/lib/captcha.ex
	+++ b/lib/captcha.ex
	@@ -1,19 +1,8 @@
	defmodule Captcha do
	- # allow customize receive timeout, default: 10_000
	- def get(timeout \\ 1_000) do
	- pid = Port.open({:spawn, Path.join(:code.priv_dir(:captcha), "captcha")}, [:binary])
	-
	- # Allow set receive timeout
	- receive do
	- {^pid, {:data, data}} ->
	- <<text::bytes-size(5), img::binary>> = data
	- {:ok, text, img}
	-
	- other ->
	- other
	- after
	- timeout ->
	- {:error, :timeout}
	+ def get() do
	+ case System.cmd(Application.app_dir(:captcha, "priv/captcha"), []) do
	+ {<<text::bytes-size(5), img::binary>>, 0} -> {:ok, text, img}
	+ _other -> :error
	end
	end
	end
	diff --git a/test/elixir_captcha_test.exs b/test/elixir_captcha_test.exs
	index ddf2620..9977049 100644
	--- a/test/elixir_captcha_test.exs
	+++ b/test/elixir_captcha_test.exs
	@@ -1,12 +1,8 @@
	defmodule CaptchaTest do
	use ExUnit.Case
	doctest Captcha

	test "successfully generates an image" do
	assert {:ok, _, _} = Captcha.get()
	end
	-
	- test "respects the timeout" do
	- assert {:error, :timeout} = Captcha.get(0)
	- end
	end