We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Update GraphQL Core Next & Starlette
Issue for me to remember to update our core dependencies to latest versions before release.

--- 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     "Topic :: Software Development :: Libraries :: Python Modules",
14 ]
15 
16 README_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "README.md")
17 with open(README_PATH, "r") as f:
18     README = f.read()
19 
20 setup(
21     name="ariadne",
22     author="Mirumee Software",
23     author_email="hello@mirumee.com",
24     description="Ariadne is a Python library for implementing GraphQL servers.",
25     long_description=README,
26     long_description_content_type="text/markdown",
27     license="BSD",
28     version="0.5.0",
29     url="https://github.com/mirumee/ariadne",
30     packages=["ariadne"],
31     include_package_data=True,
32     install_requires=[
33         "graphql-core-next>=1.0.4",
34         "python-multipart>=0.0.5",
35         "starlette<0.13",
36         "typing_extensions>=3.6.0",
37     ],
38     classifiers=CLASSIFIERS,
39     platforms=["any"],
40     zip_safe=False,
41 )
42
```
--- 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
@@ -30,7 +30,7 @@
     packages=["ariadne"],
     include_package_data=True,
     install_requires=[
-        "graphql-core-next>=1.0.4",
+        "graphql-core-next<3.0.0",
         "python-multipart>=0.0.5",
         "starlette<0.13",
         "typing_extensions>=3.6.0",

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -30,7 +30,7 @@\n     packages=[\"ariadne\"],\n     include_package_data=True,\n     install_requires=[\n-        \"graphql-core-next>=1.0.4\",\n+        \"graphql-core-next<3.0.0\",\n         \"python-multipart>=0.0.5\",\n         \"starlette<0.13\",\n         \"typing_extensions>=3.6.0\",\n", "issue": "Update GraphQL Core Next & Starlette\nIssue for me to remember to update our core dependencies to latest versions before release.\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    \"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\") 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=\"0.5.0\",\n    url=\"https://github.com/mirumee/ariadne\",\n    packages=[\"ariadne\"],\n    include_package_data=True,\n    install_requires=[\n        \"graphql-core-next>=1.0.4\",\n        \"python-multipart>=0.0.5\",\n        \"starlette<0.13\",\n        \"typing_extensions>=3.6.0\",\n    ],\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    \"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\") 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=\"0.5.0\",\n    url=\"https://github.com/mirumee/ariadne\",\n    packages=[\"ariadne\"],\n    include_package_data=True,\n    install_requires=[\n        \"graphql-core-next<3.0.0\",\n        \"python-multipart>=0.0.5\",\n        \"starlette<0.13\",\n        \"typing_extensions>=3.6.0\",\n    ],\n    classifiers=CLASSIFIERS,\n    platforms=[\"any\"],\n    zip_safe=False,\n)\n", "path": "setup.py"}]}