prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Update CI files for branch 3.39
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `pulpcore/app/serializers/task.py`
  Content:
  ```
  1 from gettext import gettext as _
  2 
  3 from rest_framework import serializers
  4 
  5 from pulpcore.app import models
  6 from pulpcore.app.serializers import (
  7     IdentityField,
  8     ModelSerializer,
  9     ProgressReportSerializer,
  10     RelatedField,
  11 )
  12 from pulpcore.app.util import get_viewset_for_model
  13 
  14 
  15 class CreatedResourceSerializer(RelatedField):
  16 
  17     def to_representation(self, data):
  18         # If the content object was deleted
  19         if data.content_object is None:
  20             return None
  21         try:
  22             if not data.content_object.complete:
  23                 return None
  24         except AttributeError:
  25             pass
  26         viewset = get_viewset_for_model(data.content_object)
  27 
  28         # serializer contains all serialized fields because we are passing
  29         # 'None' to the request's context
  30         serializer = viewset.serializer_class(data.content_object, context={'request': None})
  31         return serializer.data.get('_href')
  32 
  33     class Meta:
  34         model = models.CreatedResource
  35         fields = []
  36 
  37 
  38 class TaskSerializer(ModelSerializer):
  39     _href = IdentityField(view_name='tasks-detail')
  40     state = serializers.CharField(
  41         help_text=_("The current state of the task. The possible values include:"
  42                     " 'waiting', 'skipped', 'running', 'completed', 'failed' and 'canceled'."),
  43         read_only=True
  44     )
  45     name = serializers.CharField(
  46         help_text=_("The name of task.")
  47     )
  48     started_at = serializers.DateTimeField(
  49         help_text=_("Timestamp of the when this task started execution."),
  50         read_only=True
  51     )
  52     finished_at = serializers.DateTimeField(
  53         help_text=_("Timestamp of the when this task stopped execution."),
  54         read_only=True
  55     )
  56     non_fatal_errors = serializers.JSONField(
  57         help_text=_("A JSON Object of non-fatal errors encountered during the execution of this "
  58                     "task."),
  59         read_only=True
  60     )
  61     error = serializers.JSONField(
  62         help_text=_("A JSON Object of a fatal error encountered during the execution of this "
  63                     "task."),
  64         read_only=True
  65     )
  66     worker = RelatedField(
  67         help_text=_("The worker associated with this task."
  68                     " This field is empty if a worker is not yet assigned."),
  69         read_only=True,
  70         view_name='workers-detail'
  71     )
  72     parent = RelatedField(
  73         help_text=_("The parent task that spawned this task."),
  74         read_only=True,
  75         view_name='tasks-detail'
  76     )
  77     spawned_tasks = RelatedField(
  78         help_text=_("Any tasks spawned by this task."),
  79         many=True,
  80         read_only=True,
  81         view_name='tasks-detail'
  82     )
  83     progress_reports = ProgressReportSerializer(
  84         many=True,
  85         read_only=True
  86     )
  87     created_resources = CreatedResourceSerializer(
  88         help_text=_('Resources created by this task.'),
  89         many=True,
  90         read_only=True,
  91         view_name='None'  # This is a polymorphic field. The serializer does not need a view name.
  92     )
  93 
  94     class Meta:
  95         model = models.Task
  96         fields = ModelSerializer.Meta.fields + ('state', 'name', 'started_at',
  97                                                 'finished_at', 'non_fatal_errors', 'error',
  98                                                 'worker', 'parent', 'spawned_tasks',
  99                                                 'progress_reports', 'created_resources')
  100 
  101 
  102 class MinimalTaskSerializer(TaskSerializer):
  103 
  104     class Meta:
  105         model = models.Task
  106         fields = ModelSerializer.Meta.fields + ('name', 'state', 'started_at', 'finished_at',
  107                                                 'worker', 'parent')
  108 
  109 
  110 class TaskCancelSerializer(ModelSerializer):
  111     state = serializers.CharField(
  112         help_text=_("The desired state of the task. Only 'canceled' is accepted."),
  113     )
  114 
  115     class Meta:
  116         model = models.Task
  117         fields = ('state',)
  118 
  119 
  120 class ContentAppStatusSerializer(ModelSerializer):
  121     name = serializers.CharField(
  122         help_text=_('The name of the worker.'),
  123         read_only=True
  124     )
  125     last_heartbeat = serializers.DateTimeField(
  126         help_text=_('Timestamp of the last time the worker talked to the service.'),
  127         read_only=True
  128     )
  129 
  130     class Meta:
  131         model = models.ContentAppStatus
  132         fields = ('name', 'last_heartbeat')
  133 
  134 
  135 class WorkerSerializer(ModelSerializer):
  136     _href = IdentityField(view_name='workers-detail')
  137 
  138     name = serializers.CharField(
  139         help_text=_('The name of the worker.'),
  140         read_only=True
  141     )
  142     last_heartbeat = serializers.DateTimeField(
  143         help_text=_('Timestamp of the last time the worker talked to the service.'),
  144         read_only=True
  145     )
  146     online = serializers.BooleanField(
  147         help_text=_('True if the worker is considered online, otherwise False'),
  148         read_only=True
  149     )
  150     missing = serializers.BooleanField(
  151         help_text=_('True if the worker is considerd missing, otherwise False'),
  152         read_only=True
  153     )
  154     # disable "created" because we don't care about it
  155     created = None
  156 
  157     class Meta:
  158         model = models.Worker
  159         _base_fields = tuple(set(ModelSerializer.Meta.fields) - set(['created']))
  160         fields = _base_fields + ('name', 'last_heartbeat', 'online', 'missing')
  161
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/pulpcore/app/serializers/task.py b/pulpcore/app/serializers/task.py
  --- a/pulpcore/app/serializers/task.py
  +++ b/pulpcore/app/serializers/task.py
  @@ -58,7 +58,8 @@
                       "task."),
           read_only=True
       )
  -    error = serializers.JSONField(
  +    error = serializers.DictField(
  +        child=serializers.JSONField(),
           help_text=_("A JSON Object of a fatal error encountered during the execution of this "
                       "task."),
           read_only=True
  
verification_info: {"golden_diff": "diff --git a/pulpcore/app/serializers/task.py b/pulpcore/app/serializers/task.py\n--- a/pulpcore/app/serializers/task.py\n+++ b/pulpcore/app/serializers/task.py\n@@ -58,7 +58,8 @@\n                     \"task.\"),\n         read_only=True\n     )\n-    error = serializers.JSONField(\n+    error = serializers.DictField(\n+        child=serializers.JSONField(),\n         help_text=_(\"A JSON Object of a fatal error encountered during the execution of this \"\n                     \"task.\"),\n         read_only=True\n", "issue": "Update CI files for branch 3.39\n\n", "before_files": [{"content": "from gettext import gettext as _\n\nfrom rest_framework import serializers\n\nfrom pulpcore.app import models\nfrom pulpcore.app.serializers import (\n    IdentityField,\n    ModelSerializer,\n    ProgressReportSerializer,\n    RelatedField,\n)\nfrom pulpcore.app.util import get_viewset_for_model\n\n\nclass CreatedResourceSerializer(RelatedField):\n\n    def to_representation(self, data):\n        # If the content object was deleted\n        if data.content_object is None:\n            return None\n        try:\n            if not data.content_object.complete:\n                return None\n        except AttributeError:\n            pass\n        viewset = get_viewset_for_model(data.content_object)\n\n        # serializer contains all serialized fields because we are passing\n        # 'None' to the request's context\n        serializer = viewset.serializer_class(data.content_object, context={'request': None})\n        return serializer.data.get('_href')\n\n    class Meta:\n        model = models.CreatedResource\n        fields = []\n\n\nclass TaskSerializer(ModelSerializer):\n    _href = IdentityField(view_name='tasks-detail')\n    state = serializers.CharField(\n        help_text=_(\"The current state of the task. The possible values include:\"\n                    \" 'waiting', 'skipped', 'running', 'completed', 'failed' and 'canceled'.\"),\n        read_only=True\n    )\n    name = serializers.CharField(\n        help_text=_(\"The name of task.\")\n    )\n    started_at = serializers.DateTimeField(\n        help_text=_(\"Timestamp of the when this task started execution.\"),\n        read_only=True\n    )\n    finished_at = serializers.DateTimeField(\n        help_text=_(\"Timestamp of the when this task stopped execution.\"),\n        read_only=True\n    )\n    non_fatal_errors = serializers.JSONField(\n        help_text=_(\"A JSON Object of non-fatal errors encountered during the execution of this \"\n                    \"task.\"),\n        read_only=True\n    )\n    error = serializers.JSONField(\n        help_text=_(\"A JSON Object of a fatal error encountered during the execution of this \"\n                    \"task.\"),\n        read_only=True\n    )\n    worker = RelatedField(\n        help_text=_(\"The worker associated with this task.\"\n                    \" This field is empty if a worker is not yet assigned.\"),\n        read_only=True,\n        view_name='workers-detail'\n    )\n    parent = RelatedField(\n        help_text=_(\"The parent task that spawned this task.\"),\n        read_only=True,\n        view_name='tasks-detail'\n    )\n    spawned_tasks = RelatedField(\n        help_text=_(\"Any tasks spawned by this task.\"),\n        many=True,\n        read_only=True,\n        view_name='tasks-detail'\n    )\n    progress_reports = ProgressReportSerializer(\n        many=True,\n        read_only=True\n    )\n    created_resources = CreatedResourceSerializer(\n        help_text=_('Resources created by this task.'),\n        many=True,\n        read_only=True,\n        view_name='None'  # This is a polymorphic field. The serializer does not need a view name.\n    )\n\n    class Meta:\n        model = models.Task\n        fields = ModelSerializer.Meta.fields + ('state', 'name', 'started_at',\n                                                'finished_at', 'non_fatal_errors', 'error',\n                                                'worker', 'parent', 'spawned_tasks',\n                                                'progress_reports', 'created_resources')\n\n\nclass MinimalTaskSerializer(TaskSerializer):\n\n    class Meta:\n        model = models.Task\n        fields = ModelSerializer.Meta.fields + ('name', 'state', 'started_at', 'finished_at',\n                                                'worker', 'parent')\n\n\nclass TaskCancelSerializer(ModelSerializer):\n    state = serializers.CharField(\n        help_text=_(\"The desired state of the task. Only 'canceled' is accepted.\"),\n    )\n\n    class Meta:\n        model = models.Task\n        fields = ('state',)\n\n\nclass ContentAppStatusSerializer(ModelSerializer):\n    name = serializers.CharField(\n        help_text=_('The name of the worker.'),\n        read_only=True\n    )\n    last_heartbeat = serializers.DateTimeField(\n        help_text=_('Timestamp of the last time the worker talked to the service.'),\n        read_only=True\n    )\n\n    class Meta:\n        model = models.ContentAppStatus\n        fields = ('name', 'last_heartbeat')\n\n\nclass WorkerSerializer(ModelSerializer):\n    _href = IdentityField(view_name='workers-detail')\n\n    name = serializers.CharField(\n        help_text=_('The name of the worker.'),\n        read_only=True\n    )\n    last_heartbeat = serializers.DateTimeField(\n        help_text=_('Timestamp of the last time the worker talked to the service.'),\n        read_only=True\n    )\n    online = serializers.BooleanField(\n        help_text=_('True if the worker is considered online, otherwise False'),\n        read_only=True\n    )\n    missing = serializers.BooleanField(\n        help_text=_('True if the worker is considerd missing, otherwise False'),\n        read_only=True\n    )\n    # disable \"created\" because we don't care about it\n    created = None\n\n    class Meta:\n        model = models.Worker\n        _base_fields = tuple(set(ModelSerializer.Meta.fields) - set(['created']))\n        fields = _base_fields + ('name', 'last_heartbeat', 'online', 'missing')\n", "path": "pulpcore/app/serializers/task.py"}], "after_files": [{"content": "from gettext import gettext as _\n\nfrom rest_framework import serializers\n\nfrom pulpcore.app import models\nfrom pulpcore.app.serializers import (\n    IdentityField,\n    ModelSerializer,\n    ProgressReportSerializer,\n    RelatedField,\n)\nfrom pulpcore.app.util import get_viewset_for_model\n\n\nclass CreatedResourceSerializer(RelatedField):\n\n    def to_representation(self, data):\n        # If the content object was deleted\n        if data.content_object is None:\n            return None\n        try:\n            if not data.content_object.complete:\n                return None\n        except AttributeError:\n            pass\n        viewset = get_viewset_for_model(data.content_object)\n\n        # serializer contains all serialized fields because we are passing\n        # 'None' to the request's context\n        serializer = viewset.serializer_class(data.content_object, context={'request': None})\n        return serializer.data.get('_href')\n\n    class Meta:\n        model = models.CreatedResource\n        fields = []\n\n\nclass TaskSerializer(ModelSerializer):\n    _href = IdentityField(view_name='tasks-detail')\n    state = serializers.CharField(\n        help_text=_(\"The current state of the task. The possible values include:\"\n                    \" 'waiting', 'skipped', 'running', 'completed', 'failed' and 'canceled'.\"),\n        read_only=True\n    )\n    name = serializers.CharField(\n        help_text=_(\"The name of task.\")\n    )\n    started_at = serializers.DateTimeField(\n        help_text=_(\"Timestamp of the when this task started execution.\"),\n        read_only=True\n    )\n    finished_at = serializers.DateTimeField(\n        help_text=_(\"Timestamp of the when this task stopped execution.\"),\n        read_only=True\n    )\n    non_fatal_errors = serializers.JSONField(\n        help_text=_(\"A JSON Object of non-fatal errors encountered during the execution of this \"\n                    \"task.\"),\n        read_only=True\n    )\n    error = serializers.DictField(\n        child=serializers.JSONField(),\n        help_text=_(\"A JSON Object of a fatal error encountered during the execution of this \"\n                    \"task.\"),\n        read_only=True\n    )\n    worker = RelatedField(\n        help_text=_(\"The worker associated with this task.\"\n                    \" This field is empty if a worker is not yet assigned.\"),\n        read_only=True,\n        view_name='workers-detail'\n    )\n    parent = RelatedField(\n        help_text=_(\"The parent task that spawned this task.\"),\n        read_only=True,\n        view_name='tasks-detail'\n    )\n    spawned_tasks = RelatedField(\n        help_text=_(\"Any tasks spawned by this task.\"),\n        many=True,\n        read_only=True,\n        view_name='tasks-detail'\n    )\n    progress_reports = ProgressReportSerializer(\n        many=True,\n        read_only=True\n    )\n    created_resources = CreatedResourceSerializer(\n        help_text=_('Resources created by this task.'),\n        many=True,\n        read_only=True,\n        view_name='None'  # This is a polymorphic field. The serializer does not need a view name.\n    )\n\n    class Meta:\n        model = models.Task\n        fields = ModelSerializer.Meta.fields + ('state', 'name', 'started_at',\n                                                'finished_at', 'non_fatal_errors', 'error',\n                                                'worker', 'parent', 'spawned_tasks',\n                                                'progress_reports', 'created_resources')\n\n\nclass MinimalTaskSerializer(TaskSerializer):\n\n    class Meta:\n        model = models.Task\n        fields = ModelSerializer.Meta.fields + ('name', 'state', 'started_at', 'finished_at',\n                                                'worker', 'parent')\n\n\nclass TaskCancelSerializer(ModelSerializer):\n    state = serializers.CharField(\n        help_text=_(\"The desired state of the task. Only 'canceled' is accepted.\"),\n    )\n\n    class Meta:\n        model = models.Task\n        fields = ('state',)\n\n\nclass ContentAppStatusSerializer(ModelSerializer):\n    name = serializers.CharField(\n        help_text=_('The name of the worker.'),\n        read_only=True\n    )\n    last_heartbeat = serializers.DateTimeField(\n        help_text=_('Timestamp of the last time the worker talked to the service.'),\n        read_only=True\n    )\n\n    class Meta:\n        model = models.ContentAppStatus\n        fields = ('name', 'last_heartbeat')\n\n\nclass WorkerSerializer(ModelSerializer):\n    _href = IdentityField(view_name='workers-detail')\n\n    name = serializers.CharField(\n        help_text=_('The name of the worker.'),\n        read_only=True\n    )\n    last_heartbeat = serializers.DateTimeField(\n        help_text=_('Timestamp of the last time the worker talked to the service.'),\n        read_only=True\n    )\n    online = serializers.BooleanField(\n        help_text=_('True if the worker is considered online, otherwise False'),\n        read_only=True\n    )\n    missing = serializers.BooleanField(\n        help_text=_('True if the worker is considerd missing, otherwise False'),\n        read_only=True\n    )\n    # disable \"created\" because we don't care about it\n    created = None\n\n    class Meta:\n        model = models.Worker\n        _base_fields = tuple(set(ModelSerializer.Meta.fields) - set(['created']))\n        fields = _base_fields + ('name', 'last_heartbeat', 'online', 'missing')\n", "path": "pulpcore/app/serializers/task.py"}]}