We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Release Ariadne 0.13
# TODO

- [x] Update dependencies
- [x] Fix linters errors on repo
- [x] #483 
- [x] Update changelog
- [x] Write [release notes](https://github.com/mirumee/ariadne-website/pull/75)
- [x] Reach to our amazing art team for tweet graphics

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `setup.py`
Content:
```
1 #! /usr/bin/env python
2 import os
3 from setuptools import setup
4 
5 CLASSIFIERS = [
6     "Development Status :: 4 - Beta",
7     "Intended Audience :: Developers",
8     "License :: OSI Approved :: BSD License",
9     "Operating System :: OS Independent",
10     "Programming Language :: Python",
11     "Programming Language :: Python :: 3.6",
12     "Programming Language :: Python :: 3.7",
13     "Programming Language :: Python :: 3.8",
14     "Topic :: Software Development :: Libraries :: Python Modules",
15 ]
16 
17 README_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "README.md")
18 with open(README_PATH, "r", encoding="utf8") as f:
19     README = f.read()
20 
21 setup(
22     name="ariadne",
23     author="Mirumee Software",
24     author_email="hello@mirumee.com",
25     description="Ariadne is a Python library for implementing GraphQL servers.",
26     long_description=README,
27     long_description_content_type="text/markdown",
28     license="BSD",
29     version="0.12.0",
30     url="https://github.com/mirumee/ariadne",
31     packages=["ariadne"],
32     include_package_data=True,
33     install_requires=[
34         "graphql-core>=3.1.0",
35         "starlette<0.15",
36         "typing_extensions>=3.6.0",
37     ],
38     extras_require={"asgi-file-uploads": ["python-multipart>=0.0.5"]},
39     classifiers=CLASSIFIERS,
40     platforms=["any"],
41     zip_safe=False,
42 )
43
```
--- 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/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -11,6 +11,7 @@
     "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 
@@ -26,7 +27,7 @@
     long_description=README,
     long_description_content_type="text/markdown",
     license="BSD",
-    version="0.12.0",
+    version="0.13.0",
     url="https://github.com/mirumee/ariadne",
     packages=["ariadne"],
     include_package_data=True,

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -11,6 +11,7 @@\n     \"Programming Language :: Python :: 3.6\",\n     \"Programming Language :: Python :: 3.7\",\n     \"Programming Language :: Python :: 3.8\",\n+    \"Programming Language :: Python :: 3.9\",\n     \"Topic :: Software Development :: Libraries :: Python Modules\",\n ]\n \n@@ -26,7 +27,7 @@\n     long_description=README,\n     long_description_content_type=\"text/markdown\",\n     license=\"BSD\",\n-    version=\"0.12.0\",\n+    version=\"0.13.0\",\n     url=\"https://github.com/mirumee/ariadne\",\n     packages=[\"ariadne\"],\n     include_package_data=True,\n", "issue": "Release Ariadne 0.13\n# TODO\r\n\r\n- [x] Update dependencies\r\n- [x] Fix linters errors on repo\r\n- [x] #483 \r\n- [x] Update changelog\r\n- [x] Write [release notes](https://github.com/mirumee/ariadne-website/pull/75)\r\n- [x] Reach to our amazing art team for tweet graphics\n", "before_files": [{"content": "#! /usr/bin/env python\nimport os\nfrom setuptools import setup\n\nCLASSIFIERS = [\n    \"Development Status :: 4 - Beta\",\n    \"Intended Audience :: Developers\",\n    \"License :: OSI Approved :: BSD License\",\n    \"Operating System :: OS Independent\",\n    \"Programming Language :: Python\",\n    \"Programming Language :: Python :: 3.6\",\n    \"Programming Language :: Python :: 3.7\",\n    \"Programming Language :: Python :: 3.8\",\n    \"Topic :: Software Development :: Libraries :: Python Modules\",\n]\n\nREADME_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), \"README.md\")\nwith open(README_PATH, \"r\", encoding=\"utf8\") as f:\n    README = f.read()\n\nsetup(\n    name=\"ariadne\",\n    author=\"Mirumee Software\",\n    author_email=\"hello@mirumee.com\",\n    description=\"Ariadne is a Python library for implementing GraphQL servers.\",\n    long_description=README,\n    long_description_content_type=\"text/markdown\",\n    license=\"BSD\",\n    version=\"0.12.0\",\n    url=\"https://github.com/mirumee/ariadne\",\n    packages=[\"ariadne\"],\n    include_package_data=True,\n    install_requires=[\n        \"graphql-core>=3.1.0\",\n        \"starlette<0.15\",\n        \"typing_extensions>=3.6.0\",\n    ],\n    extras_require={\"asgi-file-uploads\": [\"python-multipart>=0.0.5\"]},\n    classifiers=CLASSIFIERS,\n    platforms=[\"any\"],\n    zip_safe=False,\n)\n", "path": "setup.py"}], "after_files": [{"content": "#! /usr/bin/env python\nimport os\nfrom setuptools import setup\n\nCLASSIFIERS = [\n    \"Development Status :: 4 - Beta\",\n    \"Intended Audience :: Developers\",\n    \"License :: OSI Approved :: BSD License\",\n    \"Operating System :: OS Independent\",\n    \"Programming Language :: Python\",\n    \"Programming Language :: Python :: 3.6\",\n    \"Programming Language :: Python :: 3.7\",\n    \"Programming Language :: Python :: 3.8\",\n    \"Programming Language :: Python :: 3.9\",\n    \"Topic :: Software Development :: Libraries :: Python Modules\",\n]\n\nREADME_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), \"README.md\")\nwith open(README_PATH, \"r\", encoding=\"utf8\") as f:\n    README = f.read()\n\nsetup(\n    name=\"ariadne\",\n    author=\"Mirumee Software\",\n    author_email=\"hello@mirumee.com\",\n    description=\"Ariadne is a Python library for implementing GraphQL servers.\",\n    long_description=README,\n    long_description_content_type=\"text/markdown\",\n    license=\"BSD\",\n    version=\"0.13.0\",\n    url=\"https://github.com/mirumee/ariadne\",\n    packages=[\"ariadne\"],\n    include_package_data=True,\n    install_requires=[\n        \"graphql-core>=3.1.0\",\n        \"starlette<0.15\",\n        \"typing_extensions>=3.6.0\",\n    ],\n    extras_require={\"asgi-file-uploads\": [\"python-multipart>=0.0.5\"]},\n    classifiers=CLASSIFIERS,\n    platforms=[\"any\"],\n    zip_safe=False,\n)\n", "path": "setup.py"}]}