Fix results from $ mix credo suggest --all --strict

lib/display.ex

@@ -3,7 +3,7 @@ defmodule Display do
   use GenServer
 
   alias IO.ANSI
-  alias Display.{ProgressBar, Intro, Failure, Notifications}
+  alias Display.{Failure, Intro, Notifications, ProgressBar}
 
   def start_link do
     GenServer.start_link(__MODULE__, %{clear_screen: true}, name: __MODULE__)

lib/koans.ex

@@ -19,7 +19,6 @@ defmodule Koans do
       generate_test_method(unquote(compiled_name), unquote(number_of_args), unquote(body))
 
       def unquote(compiled_name)() do
-        try do
         unquote(compiled_body)
         :ok
       rescue
@@ -27,7 +26,6 @@ defmodule Koans do
       end
     end
   end
-  end
 
   defmacro generate_test_method(_name, 0, _body), do: false
 
@@ -36,7 +34,6 @@ defmodule Koans do
 
     quote do
       def unquote(name)(answer) do
-        try do
         unquote(single_var)
         :ok
       rescue
@@ -44,7 +41,6 @@ defmodule Koans do
       end
     end
   end
-  end
 
   defmacro generate_test_method(name, number_of_args, body) do
     answer_vars =
@@ -54,7 +50,6 @@ defmodule Koans do
 
     quote do
       def unquote(name)({:multiple, unquote(answer_vars)}) do
-        try do
         unquote(multi_var)
         :ok
       rescue
@@ -62,7 +57,6 @@ defmodule Koans do
       end
     end
   end
-  end
 
   defp blank_line_replacement({:assert, _meta, [expr]}) do
     code = Macro.escape(expr)

lib/tracker.ex

@@ -35,7 +35,7 @@ defmodule Tracker do
     end
   end
 
-  def wait_until_complete() do
+  def wait_until_complete do
     pid = Process.whereis(Tracker)
 
     receive do

lib/watcher.ex

@@ -2,7 +2,7 @@ defmodule Watcher do
   @moduledoc false
   use GenServer
 
-  def start_link() do
+  def start_link do
     GenServer.start_link(__MODULE__, dirs: ["lib/koans"])
   end