| Index: utils/pub/hosted_source.dart | 
| diff --git a/utils/pub/hosted_source.dart b/utils/pub/hosted_source.dart | 
| index a2f46e0726fa45ca79594af6f91e85a937eccc1c..0ed4e0c080bb20219dcfeae01d21e624ddfae385 100644 | 
| --- a/utils/pub/hosted_source.dart | 
| +++ b/utils/pub/hosted_source.dart | 
| @@ -63,7 +63,7 @@ class HostedSource extends Source { | 
|  | 
| /// Downloads a package from the site and unpacks it. | 
| Future<bool> install(PackageId id, String destPath) { | 
| -    return defer(() { | 
| +    return new Future.of(() { | 
| var url = _makeVersionUrl(id, (server, package, version) => | 
| "$server/packages/$package/versions/$version.tar.gz"); | 
| log.io("Install package from $url."); | 
|  |