motion-env warning with some arrays of at least four hashes

Rakefile

# -*- coding: utf-8 -*-
$:.unshift("/Library/RubyMotion/lib")
require 'motion/project/template/ios'

require "bundler/gem_tasks"
require "bundler/setup"


begin
  require 'bundler'
  Bundler.require
rescue LoadError
end

Motion::Project::App.setup do |app|
  # Use `rake config' to see complete project settings.
  app.name = 'motion-env'

  app.ENV['hash'] = {herp: "derp"}
  app.ENV['empty_hash'] = {}
  app.env['string'] = "Sup dog"
  app.env["int"] = 3
  app.env["bool"] = false
  app.env["array"] = [1,2,3]
  app.env["complex"] = [{hello: "world", array: [1,2,3]}, {something: :else}]

  # This throws a 'encountered \r in middle of line' warning
  app.env["array_of_hashes_with_same_four_keys"] = [
    {"a"=>"b0", "c"=>"d0", "e"=>"f0", "g" => "h0"},
    {"a"=>"b1", "c"=>"d1", "e"=>"f1", "g" => "h1"}
  ]

  # This does not throw a warning
  #app.env["array_of_hashes_with_different_four_keys"] = [
    #{"a"=>"b0", "c"=>"d0", "e"=>"f0", "g" => "h0"},
    #{"a"=>"b1", "c"=>"d1", "e"=>"f1", "g1" => "h1"}
  #]

  # This does't throw a warning, either
  #app.env["array_of_hashes_with_same_three_keys"] = [
    #{"a"=>"b0", "c"=>"d0", "e"=>"f0"},
    #{"a"=>"b1", "c"=>"d1", "e"=>"f1"}
  #]

  class Person
    attr_accessor :name, :age

    def initialize(name, age)
      @name = name
      @age = age
    end
  end

  app.env["object"] = Person.new("clay", 3)
end