prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  udostępnienie id w API dla tags i documentType 
  Id dla tags i documetType, jest niezbędne dla zbudowania listy tych elementów w reakcie. 
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `backend-project/small_eod/letters/serializers.py`
  Content:
  ```
  1 from uuid import uuid4
  2 from django.conf import settings
  3 from rest_framework import serializers
  4 from .models import Letter, DocumentType
  5 from ..generic.serializers import UserLogModelSerializer
  6 from ..cases.models import Case
  7 from ..institutions.models import Institution
  8 from ..channels.models import Channel
  9 from ..files.apps import minio_app
  10 from ..files.serializers import FileSerializer
  11 
  12 
  13 class DocumentTypeSerializer(serializers.ModelSerializer):
  14     class Meta:
  15         model = DocumentType
  16         fields = ["name"]
  17 
  18 
  19 class LetterSerializer(UserLogModelSerializer):
  20     document_type = serializers.PrimaryKeyRelatedField(
  21         many=False, default=None, queryset=DocumentType.objects.all()
  22     )
  23     case = serializers.PrimaryKeyRelatedField(
  24         many=False, default=None, queryset=Case.objects.all()
  25     )
  26     institution = serializers.PrimaryKeyRelatedField(
  27         many=False, default=None, queryset=Institution.objects.all()
  28     )
  29     channel = serializers.PrimaryKeyRelatedField(
  30         many=False, default=None, queryset=Channel.objects.all()
  31     )
  32     attachments = FileSerializer(many=True, read_only=True)
  33 
  34     class Meta:
  35         model = Letter
  36         fields = [
  37             "id",
  38             "direction",
  39             "channel",
  40             "final",
  41             "date",
  42             "reference_number",
  43             "institution",
  44             "case",
  45             "attachments",
  46             "ordering",
  47             "comment",
  48             "excerpt",
  49             "document_type",
  50             "created_on",
  51             "created_by",
  52             "modified_on",
  53             "modified_by",
  54         ]
  55 
  56     def create(self, validated_data):
  57         channel = validated_data.pop("channel")
  58         document_type = validated_data.pop("document_type")
  59         institution = validated_data.pop("institution")
  60         case = validated_data.pop("case")
  61 
  62         letter = super().create(validated_data)
  63         letter.channel = channel
  64         letter.document_type = document_type
  65         letter.institution = institution
  66         letter.case = case
  67         letter.save()
  68         return letter
  69 
  70     def update(self, instance, validated_data):
  71         """
  72         nested - variable storing representations of the nested objects
  73         of LetterSerializer (Channel, Address and DocumentType).
  74         Iterating over those 3 and updating fields of the related objects,
  75         using key-value pairs from PATCH request.
  76         """
  77         nested = []
  78         for nested_object in nested:
  79             for attr, value in nested_object["data"].items():
  80                 setattr(nested_object["instance"], attr, value)
  81             nested_object["instance"].save()
  82         return super().update(instance, validated_data)
  83 
  84 
  85 class SignRequestSerializer(serializers.Serializer):
  86     name = serializers.CharField(max_length=200)
  87     method = serializers.CharField(read_only=True)
  88     url = serializers.CharField(read_only=True)
  89     formData = serializers.DictField(read_only=True, child=serializers.CharField())
  90     path = serializers.CharField(read_only=True)
  91 
  92     def create(self, validated_data):
  93         path = f'{uuid4()}/{validated_data["name"]}'
  94         url, form_data = minio_app.presigned_post_form_data(settings.MINIO_BUCKET, path)
  95         return {
  96             "name": validated_data["name"],
  97             "method": "POST",
  98             "url": url,
  99             "formData": form_data,
  100             "path": path,
  101         }
  102
  ```
  
  Path: `backend-project/small_eod/tags/serializers.py`
  Content:
  ```
  1 from rest_framework import serializers
  2 from .models import Tag
  3 
  4 
  5 class TagSerializer(serializers.ModelSerializer):
  6     class Meta:
  7         model = Tag
  8         fields = [
  9             "name",
  10         ]
  11
  ```
  --- 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/backend-project/small_eod/letters/serializers.py b/backend-project/small_eod/letters/serializers.py
  --- a/backend-project/small_eod/letters/serializers.py
  +++ b/backend-project/small_eod/letters/serializers.py
  @@ -13,7 +13,7 @@
   class DocumentTypeSerializer(serializers.ModelSerializer):
       class Meta:
           model = DocumentType
  -        fields = ["name"]
  +        fields = ["id", "name"]
   
   
   class LetterSerializer(UserLogModelSerializer):
  diff --git a/backend-project/small_eod/tags/serializers.py b/backend-project/small_eod/tags/serializers.py
  --- a/backend-project/small_eod/tags/serializers.py
  +++ b/backend-project/small_eod/tags/serializers.py
  @@ -6,5 +6,6 @@
       class Meta:
           model = Tag
           fields = [
  +            "id",
               "name",
           ]
  
verification_info: {"golden_diff": "diff --git a/backend-project/small_eod/letters/serializers.py b/backend-project/small_eod/letters/serializers.py\n--- a/backend-project/small_eod/letters/serializers.py\n+++ b/backend-project/small_eod/letters/serializers.py\n@@ -13,7 +13,7 @@\n class DocumentTypeSerializer(serializers.ModelSerializer):\n     class Meta:\n         model = DocumentType\n-        fields = [\"name\"]\n+        fields = [\"id\", \"name\"]\n \n \n class LetterSerializer(UserLogModelSerializer):\ndiff --git a/backend-project/small_eod/tags/serializers.py b/backend-project/small_eod/tags/serializers.py\n--- a/backend-project/small_eod/tags/serializers.py\n+++ b/backend-project/small_eod/tags/serializers.py\n@@ -6,5 +6,6 @@\n     class Meta:\n         model = Tag\n         fields = [\n+            \"id\",\n             \"name\",\n         ]\n", "issue": "udost\u0119pnienie id w API dla tags i documentType \nId dla tags i documetType, jest niezb\u0119dne dla zbudowania listy tych element\u00f3w w reakcie. \n", "before_files": [{"content": "from uuid import uuid4\nfrom django.conf import settings\nfrom rest_framework import serializers\nfrom .models import Letter, DocumentType\nfrom ..generic.serializers import UserLogModelSerializer\nfrom ..cases.models import Case\nfrom ..institutions.models import Institution\nfrom ..channels.models import Channel\nfrom ..files.apps import minio_app\nfrom ..files.serializers import FileSerializer\n\n\nclass DocumentTypeSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = DocumentType\n        fields = [\"name\"]\n\n\nclass LetterSerializer(UserLogModelSerializer):\n    document_type = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=DocumentType.objects.all()\n    )\n    case = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Case.objects.all()\n    )\n    institution = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Institution.objects.all()\n    )\n    channel = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Channel.objects.all()\n    )\n    attachments = FileSerializer(many=True, read_only=True)\n\n    class Meta:\n        model = Letter\n        fields = [\n            \"id\",\n            \"direction\",\n            \"channel\",\n            \"final\",\n            \"date\",\n            \"reference_number\",\n            \"institution\",\n            \"case\",\n            \"attachments\",\n            \"ordering\",\n            \"comment\",\n            \"excerpt\",\n            \"document_type\",\n            \"created_on\",\n            \"created_by\",\n            \"modified_on\",\n            \"modified_by\",\n        ]\n\n    def create(self, validated_data):\n        channel = validated_data.pop(\"channel\")\n        document_type = validated_data.pop(\"document_type\")\n        institution = validated_data.pop(\"institution\")\n        case = validated_data.pop(\"case\")\n\n        letter = super().create(validated_data)\n        letter.channel = channel\n        letter.document_type = document_type\n        letter.institution = institution\n        letter.case = case\n        letter.save()\n        return letter\n\n    def update(self, instance, validated_data):\n        \"\"\"\n        nested - variable storing representations of the nested objects\n        of LetterSerializer (Channel, Address and DocumentType).\n        Iterating over those 3 and updating fields of the related objects,\n        using key-value pairs from PATCH request.\n        \"\"\"\n        nested = []\n        for nested_object in nested:\n            for attr, value in nested_object[\"data\"].items():\n                setattr(nested_object[\"instance\"], attr, value)\n            nested_object[\"instance\"].save()\n        return super().update(instance, validated_data)\n\n\nclass SignRequestSerializer(serializers.Serializer):\n    name = serializers.CharField(max_length=200)\n    method = serializers.CharField(read_only=True)\n    url = serializers.CharField(read_only=True)\n    formData = serializers.DictField(read_only=True, child=serializers.CharField())\n    path = serializers.CharField(read_only=True)\n\n    def create(self, validated_data):\n        path = f'{uuid4()}/{validated_data[\"name\"]}'\n        url, form_data = minio_app.presigned_post_form_data(settings.MINIO_BUCKET, path)\n        return {\n            \"name\": validated_data[\"name\"],\n            \"method\": \"POST\",\n            \"url\": url,\n            \"formData\": form_data,\n            \"path\": path,\n        }\n", "path": "backend-project/small_eod/letters/serializers.py"}, {"content": "from rest_framework import serializers\nfrom .models import Tag\n\n\nclass TagSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Tag\n        fields = [\n            \"name\",\n        ]\n", "path": "backend-project/small_eod/tags/serializers.py"}], "after_files": [{"content": "from uuid import uuid4\nfrom django.conf import settings\nfrom rest_framework import serializers\nfrom .models import Letter, DocumentType\nfrom ..generic.serializers import UserLogModelSerializer\nfrom ..cases.models import Case\nfrom ..institutions.models import Institution\nfrom ..channels.models import Channel\nfrom ..files.apps import minio_app\nfrom ..files.serializers import FileSerializer\n\n\nclass DocumentTypeSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = DocumentType\n        fields = [\"id\", \"name\"]\n\n\nclass LetterSerializer(UserLogModelSerializer):\n    document_type = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=DocumentType.objects.all()\n    )\n    case = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Case.objects.all()\n    )\n    institution = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Institution.objects.all()\n    )\n    channel = serializers.PrimaryKeyRelatedField(\n        many=False, default=None, queryset=Channel.objects.all()\n    )\n    attachments = FileSerializer(many=True, read_only=True)\n\n    class Meta:\n        model = Letter\n        fields = [\n            \"id\",\n            \"direction\",\n            \"channel\",\n            \"final\",\n            \"date\",\n            \"reference_number\",\n            \"institution\",\n            \"case\",\n            \"attachments\",\n            \"ordering\",\n            \"comment\",\n            \"excerpt\",\n            \"document_type\",\n            \"created_on\",\n            \"created_by\",\n            \"modified_on\",\n            \"modified_by\",\n        ]\n\n    def create(self, validated_data):\n        channel = validated_data.pop(\"channel\")\n        document_type = validated_data.pop(\"document_type\")\n        institution = validated_data.pop(\"institution\")\n        case = validated_data.pop(\"case\")\n\n        letter = super().create(validated_data)\n        letter.channel = channel\n        letter.document_type = document_type\n        letter.institution = institution\n        letter.case = case\n        letter.save()\n        return letter\n\n    def update(self, instance, validated_data):\n        \"\"\"\n        nested - variable storing representations of the nested objects\n        of LetterSerializer (Channel, Address and DocumentType).\n        Iterating over those 3 and updating fields of the related objects,\n        using key-value pairs from PATCH request.\n        \"\"\"\n        nested = []\n        for nested_object in nested:\n            for attr, value in nested_object[\"data\"].items():\n                setattr(nested_object[\"instance\"], attr, value)\n            nested_object[\"instance\"].save()\n        return super().update(instance, validated_data)\n\n\nclass SignRequestSerializer(serializers.Serializer):\n    name = serializers.CharField(max_length=200)\n    method = serializers.CharField(read_only=True)\n    url = serializers.CharField(read_only=True)\n    formData = serializers.DictField(read_only=True, child=serializers.CharField())\n    path = serializers.CharField(read_only=True)\n\n    def create(self, validated_data):\n        path = f'{uuid4()}/{validated_data[\"name\"]}'\n        url, form_data = minio_app.presigned_post_form_data(settings.MINIO_BUCKET, path)\n        return {\n            \"name\": validated_data[\"name\"],\n            \"method\": \"POST\",\n            \"url\": url,\n            \"formData\": form_data,\n            \"path\": path,\n        }\n", "path": "backend-project/small_eod/letters/serializers.py"}, {"content": "from rest_framework import serializers\nfrom .models import Tag\n\n\nclass TagSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Tag\n        fields = [\n            \"id\",\n            \"name\",\n        ]\n", "path": "backend-project/small_eod/tags/serializers.py"}]}