prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Version 21.0.1 or higher breaks with python 3.5
  I am currently running an older application with Python 3.5, and I encountered an error when attempting to update the Gunicorn version to the latest one:
  
  ```
  NameError: name 'ModuleNotFoundError' is not defined
  ```
  
  After some investigation, I realized that the 'ModuleNotFoundError' is only available for Python 3.6 or higher. My suspicion is that this bug was introduced in [this commit](https://github.com/benoitc/gunicorn/commit/f628dd9730f965b1917397ea1846c68844b1fe7a).
  
  As a result, it seems that Gunicorn is not fully compatible with Python 3.5
  
  
  </issue>
  <code>
  [start of setup.py]
  1 # -*- coding: utf-8 -
  2 #
  3 # This file is part of gunicorn released under the MIT license.
  4 # See the NOTICE for more information.
  5 
  6 import os
  7 import sys
  8 
  9 from setuptools import setup, find_packages
  10 from setuptools.command.test import test as TestCommand
  11 
  12 from gunicorn import __version__
  13 
  14 
  15 CLASSIFIERS = [
  16     'Development Status :: 5 - Production/Stable',
  17     'Environment :: Other Environment',
  18     'Intended Audience :: Developers',
  19     'License :: OSI Approved :: MIT License',
  20     'Operating System :: MacOS :: MacOS X',
  21     'Operating System :: POSIX',
  22     'Programming Language :: Python',
  23     'Programming Language :: Python :: 3',
  24     'Programming Language :: Python :: 3.5',
  25     'Programming Language :: Python :: 3.6',
  26     'Programming Language :: Python :: 3.7',
  27     'Programming Language :: Python :: 3.8',
  28     'Programming Language :: Python :: 3.9',
  29     'Programming Language :: Python :: 3.10',
  30     'Programming Language :: Python :: 3.11',
  31     'Programming Language :: Python :: 3 :: Only',
  32     'Programming Language :: Python :: Implementation :: CPython',
  33     'Programming Language :: Python :: Implementation :: PyPy',
  34     'Topic :: Internet',
  35     'Topic :: Utilities',
  36     'Topic :: Software Development :: Libraries :: Python Modules',
  37     'Topic :: Internet :: WWW/HTTP',
  38     'Topic :: Internet :: WWW/HTTP :: WSGI',
  39     'Topic :: Internet :: WWW/HTTP :: WSGI :: Server',
  40     'Topic :: Internet :: WWW/HTTP :: Dynamic Content']
  41 
  42 # read long description
  43 with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as f:
  44     long_description = f.read()
  45 
  46 # read dev requirements
  47 fname = os.path.join(os.path.dirname(__file__), 'requirements_test.txt')
  48 with open(fname) as f:
  49     tests_require = [l.strip() for l in f.readlines()]
  50 
  51 class PyTestCommand(TestCommand):
  52     user_options = [
  53         ("cov", None, "measure coverage")
  54     ]
  55 
  56     def initialize_options(self):
  57         TestCommand.initialize_options(self)
  58         self.cov = None
  59 
  60     def finalize_options(self):
  61         TestCommand.finalize_options(self)
  62         self.test_args = ['tests']
  63         if self.cov:
  64             self.test_args += ['--cov', 'gunicorn']
  65         self.test_suite = True
  66 
  67     def run_tests(self):
  68         import pytest
  69         errno = pytest.main(self.test_args)
  70         sys.exit(errno)
  71 
  72 
  73 install_requires = [
  74     'importlib_metadata; python_version<"3.8"',
  75     'packaging',
  76 ]
  77 
  78 extras_require = {
  79     'gevent':  ['gevent>=1.4.0'],
  80     'eventlet': ['eventlet>=0.24.1'],
  81     'tornado': ['tornado>=0.2'],
  82     'gthread': [],
  83     'setproctitle': ['setproctitle'],
  84 }
  85 
  86 setup(
  87     name='gunicorn',
  88     version=__version__,
  89 
  90     description='WSGI HTTP Server for UNIX',
  91     long_description=long_description,
  92     author='Benoit Chesneau',
  93     author_email='benoitc@gunicorn.org',
  94     license='MIT',
  95     url='https://gunicorn.org',
  96     project_urls={
  97         'Documentation': 'https://docs.gunicorn.org',
  98         'Homepage': 'https://gunicorn.org',
  99         'Issue tracker': 'https://github.com/benoitc/gunicorn/issues',
  100         'Source code': 'https://github.com/benoitc/gunicorn',
  101     },
  102 
  103     python_requires='>=3.5',
  104     install_requires=install_requires,
  105     classifiers=CLASSIFIERS,
  106     zip_safe=False,
  107     packages=find_packages(exclude=['examples', 'tests']),
  108     include_package_data=True,
  109 
  110     tests_require=tests_require,
  111     cmdclass={'test': PyTestCommand},
  112 
  113     entry_points="""
  114     [console_scripts]
  115     gunicorn=gunicorn.app.wsgiapp:run
  116 
  117     [paste.server_runner]
  118     main=gunicorn.app.pasterapp:serve
  119     """,
  120     extras_require=extras_require,
  121 )
  122
  [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
  @@ -21,8 +21,6 @@
       'Operating System :: POSIX',
       'Programming Language :: Python',
       'Programming Language :: Python :: 3',
  -    'Programming Language :: Python :: 3.5',
  -    'Programming Language :: Python :: 3.6',
       'Programming Language :: Python :: 3.7',
       'Programming Language :: Python :: 3.8',
       'Programming Language :: Python :: 3.9',
  @@ -100,7 +98,7 @@
           'Source code': 'https://github.com/benoitc/gunicorn',
       },
   
  -    python_requires='>=3.5',
  +    python_requires='>=3.7',
       install_requires=install_requires,
       classifiers=CLASSIFIERS,
       zip_safe=False,
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -21,8 +21,6 @@\n     'Operating System :: POSIX',\n     'Programming Language :: Python',\n     'Programming Language :: Python :: 3',\n-    'Programming Language :: Python :: 3.5',\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@@ -100,7 +98,7 @@\n         'Source code': 'https://github.com/benoitc/gunicorn',\n     },\n \n-    python_requires='>=3.5',\n+    python_requires='>=3.7',\n     install_requires=install_requires,\n     classifiers=CLASSIFIERS,\n     zip_safe=False,\n", "issue": "Version 21.0.1 or higher breaks with python 3.5\nI am currently running an older application with Python 3.5, and I encountered an error when attempting to update the Gunicorn version to the latest one:\r\n\r\n```\r\nNameError: name 'ModuleNotFoundError' is not defined\r\n```\r\n\r\nAfter some investigation, I realized that the 'ModuleNotFoundError' is only available for Python 3.6 or higher. My suspicion is that this bug was introduced in [this commit](https://github.com/benoitc/gunicorn/commit/f628dd9730f965b1917397ea1846c68844b1fe7a).\r\n\r\nAs a result, it seems that Gunicorn is not fully compatible with Python 3.5\r\n\n", "before_files": [{"content": "# -*- coding: utf-8 -\n#\n# This file is part of gunicorn released under the MIT license.\n# See the NOTICE for more information.\n\nimport os\nimport sys\n\nfrom setuptools import setup, find_packages\nfrom setuptools.command.test import test as TestCommand\n\nfrom gunicorn import __version__\n\n\nCLASSIFIERS = [\n    'Development Status :: 5 - Production/Stable',\n    'Environment :: Other Environment',\n    'Intended Audience :: Developers',\n    'License :: OSI Approved :: MIT License',\n    'Operating System :: MacOS :: MacOS X',\n    'Operating System :: POSIX',\n    'Programming Language :: Python',\n    'Programming Language :: Python :: 3',\n    'Programming Language :: Python :: 3.5',\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    'Programming Language :: Python :: 3.10',\n    'Programming Language :: Python :: 3.11',\n    'Programming Language :: Python :: 3 :: Only',\n    'Programming Language :: Python :: Implementation :: CPython',\n    'Programming Language :: Python :: Implementation :: PyPy',\n    'Topic :: Internet',\n    'Topic :: Utilities',\n    'Topic :: Software Development :: Libraries :: Python Modules',\n    'Topic :: Internet :: WWW/HTTP',\n    'Topic :: Internet :: WWW/HTTP :: WSGI',\n    'Topic :: Internet :: WWW/HTTP :: WSGI :: Server',\n    'Topic :: Internet :: WWW/HTTP :: Dynamic Content']\n\n# read long description\nwith open(os.path.join(os.path.dirname(__file__), 'README.rst')) as f:\n    long_description = f.read()\n\n# read dev requirements\nfname = os.path.join(os.path.dirname(__file__), 'requirements_test.txt')\nwith open(fname) as f:\n    tests_require = [l.strip() for l in f.readlines()]\n\nclass PyTestCommand(TestCommand):\n    user_options = [\n        (\"cov\", None, \"measure coverage\")\n    ]\n\n    def initialize_options(self):\n        TestCommand.initialize_options(self)\n        self.cov = None\n\n    def finalize_options(self):\n        TestCommand.finalize_options(self)\n        self.test_args = ['tests']\n        if self.cov:\n            self.test_args += ['--cov', 'gunicorn']\n        self.test_suite = True\n\n    def run_tests(self):\n        import pytest\n        errno = pytest.main(self.test_args)\n        sys.exit(errno)\n\n\ninstall_requires = [\n    'importlib_metadata; python_version<\"3.8\"',\n    'packaging',\n]\n\nextras_require = {\n    'gevent':  ['gevent>=1.4.0'],\n    'eventlet': ['eventlet>=0.24.1'],\n    'tornado': ['tornado>=0.2'],\n    'gthread': [],\n    'setproctitle': ['setproctitle'],\n}\n\nsetup(\n    name='gunicorn',\n    version=__version__,\n\n    description='WSGI HTTP Server for UNIX',\n    long_description=long_description,\n    author='Benoit Chesneau',\n    author_email='benoitc@gunicorn.org',\n    license='MIT',\n    url='https://gunicorn.org',\n    project_urls={\n        'Documentation': 'https://docs.gunicorn.org',\n        'Homepage': 'https://gunicorn.org',\n        'Issue tracker': 'https://github.com/benoitc/gunicorn/issues',\n        'Source code': 'https://github.com/benoitc/gunicorn',\n    },\n\n    python_requires='>=3.5',\n    install_requires=install_requires,\n    classifiers=CLASSIFIERS,\n    zip_safe=False,\n    packages=find_packages(exclude=['examples', 'tests']),\n    include_package_data=True,\n\n    tests_require=tests_require,\n    cmdclass={'test': PyTestCommand},\n\n    entry_points=\"\"\"\n    [console_scripts]\n    gunicorn=gunicorn.app.wsgiapp:run\n\n    [paste.server_runner]\n    main=gunicorn.app.pasterapp:serve\n    \"\"\",\n    extras_require=extras_require,\n)\n", "path": "setup.py"}]}