Bug 1901281 - [ci] Replace 'mozbuild.util.ReadOnlyDict' with 'taskgraph.util.readonlydict.ReadOnlyDict', a=RyanVM

Original Revision: https://phabricator.services.mozilla.com/D213426

Differential Revision: https://phabricator.services.mozilla.com/D215658

taskcluster/gecko_taskgraph/main.py

@@ -63,7 +63,7 @@ def format_taskgraph_json(taskgraph):
 
 
 def format_taskgraph_yaml(taskgraph):
-    from mozbuild.util import ReadOnlyDict
+    from taskgraph.util.readonlydict import ReadOnlyDict
 
     class TGDumper(yaml.SafeDumper):
         def ignore_aliases(self, data):

taskcluster/gecko_taskgraph/transforms/test/other.py

@@ -8,10 +8,10 @@ import json
 import re
 
 from mozbuild.schedules import INCLUSIVE_COMPONENTS
-from mozbuild.util import ReadOnlyDict
 from taskgraph.transforms.base import TransformSequence
 from taskgraph.util.attributes import keymatch
 from taskgraph.util.keyed_by import evaluate_keyed_by
+from taskgraph.util.readonlydict import ReadOnlyDict
 from taskgraph.util.schema import Schema, resolve_keyed_by
 from taskgraph.util.taskcluster import (
     get_artifact_path,

taskcluster/gecko_taskgraph/util/copy_task.py

@@ -2,8 +2,8 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-from mozbuild.util import ReadOnlyDict
 from taskgraph.task import Task
+from taskgraph.util.readonlydict import ReadOnlyDict
 
 immutable_types = {int, float, bool, str, type(None), ReadOnlyDict}