   """
   defmacro plug(plug)
 
-  defmacro plug({:when, _, [plug, guards]}), do:
-    plug(plug, [], guards)
-
-  defmacro plug(plug), do:
-    plug(plug, [], true)
+  defmacro plug({:when, _, [plug, guards]}), do: plug(plug, [], guards)
+
+  defmacro plug(plug), do: plug(plug, [], true)
 
   @doc """
   Stores a plug with the given options to be executed as part of

        catch
          :error, reason ->
            Phoenix.Controller.Pipeline.__catch__(
              var!(conn_before), reason, __MODULE__,
              var!(conn_before).private.phoenix_action, __STACKTRACE__
            )
        end
      end


      @doc false
      def call(conn, action) when is_atom(action) do
        conn =
          update_in(
            conn.private,
            &(&1
              |> Map.put(:phoenix_controller, __MODULE__)
              |> Map.put(:phoenix_action, action))
          )

        phoenix_controller_pipeline(conn, action)
      end
