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

@@ -19,12 +19,10 @@ 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
-          e -> {:error, __STACKTRACE__, e}
-        end
+        unquote(compiled_body)
+        :ok
+      rescue
+        e -> {:error, __STACKTRACE__, e}
       end
     end
   end
@@ -36,12 +34,10 @@ defmodule Koans do
 
     quote do
       def unquote(name)(answer) do
-        try do
-          unquote(single_var)
-          :ok
-        rescue
-          e -> {:error, __STACKTRACE__, e}
-        end
+        unquote(single_var)
+        :ok
+      rescue
+        e -> {:error, __STACKTRACE__, e}
       end
     end
   end
@@ -54,12 +50,10 @@ defmodule Koans do
 
     quote do
       def unquote(name)({:multiple, unquote(answer_vars)}) do
-        try do
-          unquote(multi_var)
-          :ok
-        rescue
-          e -> {:error, __STACKTRACE__, e}
-        end
+        unquote(multi_var)
+        :ok
+      rescue
+        e -> {:error, __STACKTRACE__, e}
       end
     end
   end

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