prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <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
  
  </issue>
  <code>
  [start of setup.py]
  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 of setup.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: 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,
  
verification_info: {"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"}]}