| Index: sdk/lib/_internal/pub/lib/src/validator/utf8_readme.dart
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| diff --git a/sdk/lib/_internal/pub/lib/src/validator/utf8_readme.dart b/sdk/lib/_internal/pub/lib/src/validator/utf8_readme.dart
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| index da0c2233ccad333367e95206d22df90df7b0c808..9f30d65599d7668fecd5c13806edeb3d5c30742e 100644
 | 
| --- a/sdk/lib/_internal/pub/lib/src/validator/utf8_readme.dart
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| +++ b/sdk/lib/_internal/pub/lib/src/validator/utf8_readme.dart
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| @@ -9,7 +9,6 @@ import 'dart:convert';
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|  
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|  import '../entrypoint.dart';
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|  import '../io.dart';
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| -import '../utils.dart';
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|  import '../validator.dart';
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|  
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|  /// Validates that a package's README is valid utf-8.
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| @@ -18,7 +17,7 @@ class Utf8ReadmeValidator extends Validator {
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|      : super(entrypoint);
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|  
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|    Future validate() {
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| -    return syncFuture(() {
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| +    return new Future.sync(() {
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|        var readme = entrypoint.root.readmePath;
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|        if (readme == null) return;
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|        var bytes = readBinaryFile(readme);
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| 
 |