error message

perl -e 'use MyModule'

5.10.1 melo@DogsHouse:lib (master) $ perl -e 'use MyModule'
'MyModule::RequireAttr' requires the method 'attr' to be implemented by 'MyModule' at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Meta/Role/Application.pm line 69
	Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0x80fdd0)', 'Moose::Meta::Role=HASH(0x87e360)', 'Moose::Meta::Class=HASH(0x81d9e0)') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Meta/Role/Application/ToClass.pm line 31
	Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0x80fdd0)', 'Moose::Meta::Role=HASH(0x87e360)', 'Moose::Meta::Class=HASH(0x81d9e0)') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Meta/Role.pm line 396
	Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0x87e360)', 'Moose::Meta::Class=HASH(0x81d9e0)') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Util.pm line 121
	Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0x81d9e0)', undef, 'MyModule::RequireAttr') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Util.pm line 84
	Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0x81d9e0)', 'MyModule::RequireAttr') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose.pm line 57
	Moose::with('Moose::Meta::Class=HASH(0x81d9e0)', 'MyModule::RequireAttr') called at /Users/melo/.perl5/5.10.1/lib/perl5/Moose/Exporter.pm line 288
	Moose::with('MyModule::RequireAttr') called at MyModule.pm line 5
	require MyModule.pm called at -e line 1
	main::BEGIN() called at MyModule.pm line 0
	eval {...} called at MyModule.pm line 0
Compilation failed in require at -e line 1.
BEGIN failed--compilation aborted at -e line 1.

MyModule.pm

package MyModule;

use Moose;

with 'MyModule::RequireAttr';

has attr => (
  isa => 'Str',
  is  => 'rw',
);

no Moose;

1;

RequireAtty.pm

package MyModule::RequireAttr;

use Moose::Role;

requires('attr');

1;