We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Is possible translate example to same language


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `bothub/api/serializers/translate.py`
Content:
```
1 from rest_framework import serializers
2 
3 from django.utils.translation import gettext as _
4 
5 from bothub.common.models import RepositoryTranslatedExampleEntity
6 from bothub.common.models import RepositoryTranslatedExample
7 from bothub.common.models import RepositoryExample
8 
9 from ..validators import CanContributeInRepositoryTranslatedExampleValidator
10 from ..validators import CanContributeInRepositoryExampleValidator
11 from ..validators import TranslatedExampleEntitiesValidator
12 
13 
14 class RepositoryTranslatedExampleEntitySeralizer(serializers.ModelSerializer):
15     class Meta:
16         model = RepositoryTranslatedExampleEntity
17         fields = [
18             'id',
19             'repository_translated_example',
20             'start',
21             'end',
22             'entity',
23             'created_at',
24             'value',
25         ]
26 
27     repository_translated_example = serializers.PrimaryKeyRelatedField(
28         queryset=RepositoryTranslatedExample.objects,
29         validators=[
30             CanContributeInRepositoryTranslatedExampleValidator(),
31         ],
32         help_text='Example translation ID')
33     value = serializers.SerializerMethodField()
34 
35     def get_value(self, obj):
36         return obj.value
37 
38 
39 class RepositoryTranslatedExampleSerializer(serializers.ModelSerializer):
40     class Meta:
41         model = RepositoryTranslatedExample
42         fields = [
43             'id',
44             'original_example',
45             'from_language',
46             'language',
47             'text',
48             'has_valid_entities',
49             'entities',
50             'created_at',
51         ]
52 
53     original_example = serializers.PrimaryKeyRelatedField(
54         queryset=RepositoryExample.objects,
55         validators=[
56             CanContributeInRepositoryExampleValidator(),
57         ],
58         help_text=_('Example\'s ID'))
59     from_language = serializers.SerializerMethodField()
60     has_valid_entities = serializers.SerializerMethodField()
61     entities = RepositoryTranslatedExampleEntitySeralizer(
62         many=True,
63         read_only=True)
64 
65     def get_from_language(self, obj):
66         return obj.original_example.repository_update.language
67 
68     def get_has_valid_entities(self, obj):
69         return obj.has_valid_entities
70 
71 
72 class NewRepositoryTranslatedExampleEntitySeralizer(
73         serializers.ModelSerializer):
74     class Meta:
75         model = RepositoryTranslatedExampleEntity
76         fields = [
77             'start',
78             'end',
79             'entity',
80         ]
81 
82 
83 class NewRepositoryTranslatedExampleSerializer(serializers.ModelSerializer):
84     class Meta:
85         model = RepositoryTranslatedExample
86         fields = [
87             'id',
88             'original_example',
89             'language',
90             'text',
91             'has_valid_entities',
92             'entities',
93         ]
94 
95     def __init__(self, *args, **kwargs):
96         super().__init__(*args, **kwargs)
97         self.validators.append(TranslatedExampleEntitiesValidator())
98 
99     original_example = serializers.PrimaryKeyRelatedField(
100         queryset=RepositoryExample.objects,
101         validators=[
102             CanContributeInRepositoryExampleValidator(),
103         ],
104         help_text=_('Example\'s ID'))
105     has_valid_entities = serializers.SerializerMethodField()
106     entities = NewRepositoryTranslatedExampleEntitySeralizer(
107         many=True,
108         style={'text_field': 'text'})
109 
110     def get_has_valid_entities(self, obj):
111         return obj.has_valid_entities
112 
113     def create(self, validated_data):
114         entities_data = validated_data.pop('entities')
115 
116         translated = self.Meta.model.objects.create(**validated_data)
117         for entity_data in entities_data:
118             RepositoryTranslatedExampleEntity.objects.create(
119                 repository_translated_example=translated,
120                 **entity_data)
121         return translated
122
```

Path: `bothub/api/validators.py`
Content:
```
1 from django.utils.translation import gettext as _
2 from rest_framework.exceptions import PermissionDenied
3 from rest_framework.exceptions import ValidationError
4 
5 from bothub.common.models import RepositoryTranslatedExample
6 
7 
8 class CanContributeInRepositoryValidator(object):
9     def __call__(self, value):
10         user_authorization = value.get_user_authorization(
11             self.request.user)
12         if not user_authorization.can_contribute:
13             raise PermissionDenied(
14                 _('You can\'t contribute in this repository'))
15 
16     def set_context(self, serializer):
17         self.request = serializer.context.get('request')
18 
19 
20 class CanContributeInRepositoryExampleValidator(object):
21     def __call__(self, value):
22         repository = value.repository_update.repository
23         user_authorization = repository.get_user_authorization(
24             self.request.user)
25         if not user_authorization.can_contribute:
26             raise PermissionDenied(
27                 _('You can\'t contribute in this repository'))
28 
29     def set_context(self, serializer):
30         self.request = serializer.context.get('request')
31 
32 
33 class CanContributeInRepositoryTranslatedExampleValidator(object):
34     def __call__(self, value):
35         repository = value.original_example.repository_update.repository
36         user_authorization = repository.get_user_authorization(
37             self.request.user)
38         if not user_authorization.can_contribute:
39             raise PermissionDenied(
40                 _('You can\'t contribute in this repository'))
41 
42     def set_context(self, serializer):
43         self.request = serializer.context.get('request')
44 
45 
46 class TranslatedExampleEntitiesValidator(object):
47     def __call__(self, attrs):
48         original_example = attrs.get('original_example')
49         entities_valid = RepositoryTranslatedExample.same_entities_validator(
50             list(map(lambda x: dict(x), attrs.get('entities'))),
51             list(map(lambda x: x.to_dict, original_example.entities.all())))
52         if not entities_valid:
53             raise ValidationError({'entities': _('Invalid entities')})
54
```

Path: `setup.py`
Content:
```
1 from setuptools import setup, find_packages
2 
3 with open('requirements.txt') as fp:
4     install_requires = fp.read()
5 install_requires = list(
6     filter(lambda x: len(x) > 0, install_requires.split('\n')))
7 
8 setup(
9     name='bothub',
10     version='1.7.2',
11     description='bothub',
12     packages=find_packages(),
13     install_requires=install_requires,
14     python_requires='>=3.6',
15 )
16
```
--- 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()

```

diff --git a/bothub/api/serializers/translate.py b/bothub/api/serializers/translate.py
--- a/bothub/api/serializers/translate.py
+++ b/bothub/api/serializers/translate.py
@@ -9,6 +9,7 @@
 from ..validators import CanContributeInRepositoryTranslatedExampleValidator
 from ..validators import CanContributeInRepositoryExampleValidator
 from ..validators import TranslatedExampleEntitiesValidator
+from ..validators import TranslatedExampleLanguageValidator
 
 
 class RepositoryTranslatedExampleEntitySeralizer(serializers.ModelSerializer):
@@ -95,6 +96,7 @@
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.validators.append(TranslatedExampleEntitiesValidator())
+        self.validators.append(TranslatedExampleLanguageValidator())
 
     original_example = serializers.PrimaryKeyRelatedField(
         queryset=RepositoryExample.objects,
diff --git a/bothub/api/validators.py b/bothub/api/validators.py
--- a/bothub/api/validators.py
+++ b/bothub/api/validators.py
@@ -51,3 +51,11 @@
             list(map(lambda x: x.to_dict, original_example.entities.all())))
         if not entities_valid:
             raise ValidationError({'entities': _('Invalid entities')})
+
+
+class TranslatedExampleLanguageValidator(object):
+    def __call__(self, attrs):
+        original_example = attrs.get('original_example')
+        language = attrs.get('language')
+        if original_example.repository_update.language == language:
+            raise ValidationError({'language': _('Can\'t translate to same language')})
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='bothub',
-    version='1.7.2',
+    version='1.7.3',
     description='bothub',
     packages=find_packages(),
     install_requires=install_requires,

{"golden_diff": "diff --git a/bothub/api/serializers/translate.py b/bothub/api/serializers/translate.py\n--- a/bothub/api/serializers/translate.py\n+++ b/bothub/api/serializers/translate.py\n@@ -9,6 +9,7 @@\n from ..validators import CanContributeInRepositoryTranslatedExampleValidator\n from ..validators import CanContributeInRepositoryExampleValidator\n from ..validators import TranslatedExampleEntitiesValidator\n+from ..validators import TranslatedExampleLanguageValidator\n \n \n class RepositoryTranslatedExampleEntitySeralizer(serializers.ModelSerializer):\n@@ -95,6 +96,7 @@\n     def __init__(self, *args, **kwargs):\n         super().__init__(*args, **kwargs)\n         self.validators.append(TranslatedExampleEntitiesValidator())\n+        self.validators.append(TranslatedExampleLanguageValidator())\n \n     original_example = serializers.PrimaryKeyRelatedField(\n         queryset=RepositoryExample.objects,\ndiff --git a/bothub/api/validators.py b/bothub/api/validators.py\n--- a/bothub/api/validators.py\n+++ b/bothub/api/validators.py\n@@ -51,3 +51,11 @@\n             list(map(lambda x: x.to_dict, original_example.entities.all())))\n         if not entities_valid:\n             raise ValidationError({'entities': _('Invalid entities')})\n+\n+\n+class TranslatedExampleLanguageValidator(object):\n+    def __call__(self, attrs):\n+        original_example = attrs.get('original_example')\n+        language = attrs.get('language')\n+        if original_example.repository_update.language == language:\n+            raise ValidationError({'language': _('Can\\'t translate to same language')})\ndiff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -7,7 +7,7 @@\n \n setup(\n     name='bothub',\n-    version='1.7.2',\n+    version='1.7.3',\n     description='bothub',\n     packages=find_packages(),\n     install_requires=install_requires,\n", "issue": "Is possible translate example to same language\n\n", "before_files": [{"content": "from rest_framework import serializers\n\nfrom django.utils.translation import gettext as _\n\nfrom bothub.common.models import RepositoryTranslatedExampleEntity\nfrom bothub.common.models import RepositoryTranslatedExample\nfrom bothub.common.models import RepositoryExample\n\nfrom ..validators import CanContributeInRepositoryTranslatedExampleValidator\nfrom ..validators import CanContributeInRepositoryExampleValidator\nfrom ..validators import TranslatedExampleEntitiesValidator\n\n\nclass RepositoryTranslatedExampleEntitySeralizer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExampleEntity\n        fields = [\n            'id',\n            'repository_translated_example',\n            'start',\n            'end',\n            'entity',\n            'created_at',\n            'value',\n        ]\n\n    repository_translated_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryTranslatedExample.objects,\n        validators=[\n            CanContributeInRepositoryTranslatedExampleValidator(),\n        ],\n        help_text='Example translation ID')\n    value = serializers.SerializerMethodField()\n\n    def get_value(self, obj):\n        return obj.value\n\n\nclass RepositoryTranslatedExampleSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExample\n        fields = [\n            'id',\n            'original_example',\n            'from_language',\n            'language',\n            'text',\n            'has_valid_entities',\n            'entities',\n            'created_at',\n        ]\n\n    original_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryExample.objects,\n        validators=[\n            CanContributeInRepositoryExampleValidator(),\n        ],\n        help_text=_('Example\\'s ID'))\n    from_language = serializers.SerializerMethodField()\n    has_valid_entities = serializers.SerializerMethodField()\n    entities = RepositoryTranslatedExampleEntitySeralizer(\n        many=True,\n        read_only=True)\n\n    def get_from_language(self, obj):\n        return obj.original_example.repository_update.language\n\n    def get_has_valid_entities(self, obj):\n        return obj.has_valid_entities\n\n\nclass NewRepositoryTranslatedExampleEntitySeralizer(\n        serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExampleEntity\n        fields = [\n            'start',\n            'end',\n            'entity',\n        ]\n\n\nclass NewRepositoryTranslatedExampleSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExample\n        fields = [\n            'id',\n            'original_example',\n            'language',\n            'text',\n            'has_valid_entities',\n            'entities',\n        ]\n\n    def __init__(self, *args, **kwargs):\n        super().__init__(*args, **kwargs)\n        self.validators.append(TranslatedExampleEntitiesValidator())\n\n    original_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryExample.objects,\n        validators=[\n            CanContributeInRepositoryExampleValidator(),\n        ],\n        help_text=_('Example\\'s ID'))\n    has_valid_entities = serializers.SerializerMethodField()\n    entities = NewRepositoryTranslatedExampleEntitySeralizer(\n        many=True,\n        style={'text_field': 'text'})\n\n    def get_has_valid_entities(self, obj):\n        return obj.has_valid_entities\n\n    def create(self, validated_data):\n        entities_data = validated_data.pop('entities')\n\n        translated = self.Meta.model.objects.create(**validated_data)\n        for entity_data in entities_data:\n            RepositoryTranslatedExampleEntity.objects.create(\n                repository_translated_example=translated,\n                **entity_data)\n        return translated\n", "path": "bothub/api/serializers/translate.py"}, {"content": "from django.utils.translation import gettext as _\nfrom rest_framework.exceptions import PermissionDenied\nfrom rest_framework.exceptions import ValidationError\n\nfrom bothub.common.models import RepositoryTranslatedExample\n\n\nclass CanContributeInRepositoryValidator(object):\n    def __call__(self, value):\n        user_authorization = value.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass CanContributeInRepositoryExampleValidator(object):\n    def __call__(self, value):\n        repository = value.repository_update.repository\n        user_authorization = repository.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass CanContributeInRepositoryTranslatedExampleValidator(object):\n    def __call__(self, value):\n        repository = value.original_example.repository_update.repository\n        user_authorization = repository.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass TranslatedExampleEntitiesValidator(object):\n    def __call__(self, attrs):\n        original_example = attrs.get('original_example')\n        entities_valid = RepositoryTranslatedExample.same_entities_validator(\n            list(map(lambda x: dict(x), attrs.get('entities'))),\n            list(map(lambda x: x.to_dict, original_example.entities.all())))\n        if not entities_valid:\n            raise ValidationError({'entities': _('Invalid entities')})\n", "path": "bothub/api/validators.py"}, {"content": "from setuptools import setup, find_packages\n\nwith open('requirements.txt') as fp:\n    install_requires = fp.read()\ninstall_requires = list(\n    filter(lambda x: len(x) > 0, install_requires.split('\\n')))\n\nsetup(\n    name='bothub',\n    version='1.7.2',\n    description='bothub',\n    packages=find_packages(),\n    install_requires=install_requires,\n    python_requires='>=3.6',\n)\n", "path": "setup.py"}], "after_files": [{"content": "from rest_framework import serializers\n\nfrom django.utils.translation import gettext as _\n\nfrom bothub.common.models import RepositoryTranslatedExampleEntity\nfrom bothub.common.models import RepositoryTranslatedExample\nfrom bothub.common.models import RepositoryExample\n\nfrom ..validators import CanContributeInRepositoryTranslatedExampleValidator\nfrom ..validators import CanContributeInRepositoryExampleValidator\nfrom ..validators import TranslatedExampleEntitiesValidator\nfrom ..validators import TranslatedExampleLanguageValidator\n\n\nclass RepositoryTranslatedExampleEntitySeralizer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExampleEntity\n        fields = [\n            'id',\n            'repository_translated_example',\n            'start',\n            'end',\n            'entity',\n            'created_at',\n            'value',\n        ]\n\n    repository_translated_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryTranslatedExample.objects,\n        validators=[\n            CanContributeInRepositoryTranslatedExampleValidator(),\n        ],\n        help_text='Example translation ID')\n    value = serializers.SerializerMethodField()\n\n    def get_value(self, obj):\n        return obj.value\n\n\nclass RepositoryTranslatedExampleSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExample\n        fields = [\n            'id',\n            'original_example',\n            'from_language',\n            'language',\n            'text',\n            'has_valid_entities',\n            'entities',\n            'created_at',\n        ]\n\n    original_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryExample.objects,\n        validators=[\n            CanContributeInRepositoryExampleValidator(),\n        ],\n        help_text=_('Example\\'s ID'))\n    from_language = serializers.SerializerMethodField()\n    has_valid_entities = serializers.SerializerMethodField()\n    entities = RepositoryTranslatedExampleEntitySeralizer(\n        many=True,\n        read_only=True)\n\n    def get_from_language(self, obj):\n        return obj.original_example.repository_update.language\n\n    def get_has_valid_entities(self, obj):\n        return obj.has_valid_entities\n\n\nclass NewRepositoryTranslatedExampleEntitySeralizer(\n        serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExampleEntity\n        fields = [\n            'start',\n            'end',\n            'entity',\n        ]\n\n\nclass NewRepositoryTranslatedExampleSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = RepositoryTranslatedExample\n        fields = [\n            'id',\n            'original_example',\n            'language',\n            'text',\n            'has_valid_entities',\n            'entities',\n        ]\n\n    def __init__(self, *args, **kwargs):\n        super().__init__(*args, **kwargs)\n        self.validators.append(TranslatedExampleEntitiesValidator())\n        self.validators.append(TranslatedExampleLanguageValidator())\n\n    original_example = serializers.PrimaryKeyRelatedField(\n        queryset=RepositoryExample.objects,\n        validators=[\n            CanContributeInRepositoryExampleValidator(),\n        ],\n        help_text=_('Example\\'s ID'))\n    has_valid_entities = serializers.SerializerMethodField()\n    entities = NewRepositoryTranslatedExampleEntitySeralizer(\n        many=True,\n        style={'text_field': 'text'})\n\n    def get_has_valid_entities(self, obj):\n        return obj.has_valid_entities\n\n    def create(self, validated_data):\n        entities_data = validated_data.pop('entities')\n\n        translated = self.Meta.model.objects.create(**validated_data)\n        for entity_data in entities_data:\n            RepositoryTranslatedExampleEntity.objects.create(\n                repository_translated_example=translated,\n                **entity_data)\n        return translated\n", "path": "bothub/api/serializers/translate.py"}, {"content": "from django.utils.translation import gettext as _\nfrom rest_framework.exceptions import PermissionDenied\nfrom rest_framework.exceptions import ValidationError\n\nfrom bothub.common.models import RepositoryTranslatedExample\n\n\nclass CanContributeInRepositoryValidator(object):\n    def __call__(self, value):\n        user_authorization = value.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass CanContributeInRepositoryExampleValidator(object):\n    def __call__(self, value):\n        repository = value.repository_update.repository\n        user_authorization = repository.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass CanContributeInRepositoryTranslatedExampleValidator(object):\n    def __call__(self, value):\n        repository = value.original_example.repository_update.repository\n        user_authorization = repository.get_user_authorization(\n            self.request.user)\n        if not user_authorization.can_contribute:\n            raise PermissionDenied(\n                _('You can\\'t contribute in this repository'))\n\n    def set_context(self, serializer):\n        self.request = serializer.context.get('request')\n\n\nclass TranslatedExampleEntitiesValidator(object):\n    def __call__(self, attrs):\n        original_example = attrs.get('original_example')\n        entities_valid = RepositoryTranslatedExample.same_entities_validator(\n            list(map(lambda x: dict(x), attrs.get('entities'))),\n            list(map(lambda x: x.to_dict, original_example.entities.all())))\n        if not entities_valid:\n            raise ValidationError({'entities': _('Invalid entities')})\n\n\nclass TranslatedExampleLanguageValidator(object):\n    def __call__(self, attrs):\n        original_example = attrs.get('original_example')\n        language = attrs.get('language')\n        if original_example.repository_update.language == language:\n            raise ValidationError({'language': _('Can\\'t translate to same language')})\n", "path": "bothub/api/validators.py"}, {"content": "from setuptools import setup, find_packages\n\nwith open('requirements.txt') as fp:\n    install_requires = fp.read()\ninstall_requires = list(\n    filter(lambda x: len(x) > 0, install_requires.split('\\n')))\n\nsetup(\n    name='bothub',\n    version='1.7.3',\n    description='bothub',\n    packages=find_packages(),\n    install_requires=install_requires,\n    python_requires='>=3.6',\n)\n", "path": "setup.py"}]}