       #=> %{foo: "deps/foo", bar: "custom/path/dep"}
 
   """
-  @spec deps_paths() :: %{optional(atom) => Path.t}
+  @spec deps_paths() :: %{optional(atom) => Path.t()}
   def deps_paths do
-    Enum.reduce Mix.Dep.cached(), %{}, fn
-      %{app: app, opts: opts}, acc -> Map.put acc, app, opts[:dest]
-    end
+    Enum.reduce(Mix.Dep.cached(), %{}, fn %{app: app, opts: opts}, acc ->
+      Map.put(acc, app, opts[:dest])
+    end)
   end
 
   @doc """

  @doc """
  Returns all load paths for the given project.
  """
  @spec load_paths(keyword) :: [Path.t]
  def load_paths(config \\ config()) do
    if umbrella?(config) do
      []

            _ = Code.load_file(file)
            get()
          else
            ^old_proj -> Mix.raise("Could not find a Mix project at #{file}")
            new_proj -> {new_proj, file}
          after
            Code.compiler_options(relative_paths: true)
          end
