prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Version restriction on pillow
  Do we still need to restrict pillow to less then 7.0.0? This looks to have been implemented because of python2 support, which mongoengine dropped with version 0.20.0
  
  https://github.com/MongoEngine/mongoengine/blob/277b827d4dab4630145bc747fdab0df48a045273/setup.py#L118
  
  --- 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 import os
  2 import sys
  3 
  4 from pkg_resources import normalize_path
  5 from setuptools import find_packages, setup
  6 from setuptools.command.test import test as TestCommand
  7 
  8 # Hack to silence atexit traceback in newer python versions
  9 try:
  10     import multiprocessing
  11 except ImportError:
  12     pass
  13 
  14 DESCRIPTION = "MongoEngine is a Python Object-Document Mapper for working with MongoDB."
  15 
  16 try:
  17     with open("README.rst") as fin:
  18         LONG_DESCRIPTION = fin.read()
  19 except Exception:
  20     LONG_DESCRIPTION = None
  21 
  22 
  23 def get_version(version_tuple):
  24     """Return the version tuple as a string, e.g. for (0, 10, 7),
  25     return '0.10.7'.
  26     """
  27     return ".".join(map(str, version_tuple))
  28 
  29 
  30 class PyTest(TestCommand):
  31     """Will force pytest to search for tests inside the build directory
  32     for 2to3 converted code (used by tox), instead of the current directory.
  33     Required as long as we need 2to3
  34 
  35     Known Limitation: https://tox.readthedocs.io/en/latest/example/pytest.html#known-issues-and-limitations
  36     Source: https://www.hackzine.org/python-testing-with-pytest-and-2to3-plus-tox-and-travis-ci.html
  37     """
  38 
  39     # https://pytest.readthedocs.io/en/2.7.3/goodpractises.html#integration-with-setuptools-test-commands
  40     # Allows to provide pytest command argument through the test runner command `python setup.py test`
  41     # e.g: `python setup.py test -a "-k=test"`
  42     # This only works for 1 argument though
  43     user_options = [("pytest-args=", "a", "Arguments to pass to py.test")]
  44 
  45     def initialize_options(self):
  46         TestCommand.initialize_options(self)
  47         self.pytest_args = ""
  48 
  49     def finalize_options(self):
  50         TestCommand.finalize_options(self)
  51         self.test_args = ["tests"]
  52         self.test_suite = True
  53 
  54     def run_tests(self):
  55         # import here, cause outside the eggs aren't loaded
  56         from pkg_resources import _namespace_packages
  57         import pytest
  58 
  59         # Purge modules under test from sys.modules. The test loader will
  60         # re-import them from the build location. Required when 2to3 is used
  61         # with namespace packages.
  62         if sys.version_info >= (3,) and getattr(self.distribution, "use_2to3", False):
  63             module = self.test_args[-1].split(".")[0]
  64             if module in _namespace_packages:
  65                 del_modules = []
  66                 if module in sys.modules:
  67                     del_modules.append(module)
  68                 module += "."
  69                 for name in sys.modules:
  70                     if name.startswith(module):
  71                         del_modules.append(name)
  72                 map(sys.modules.__delitem__, del_modules)
  73 
  74             # Run on the build directory for 2to3-built code
  75             # This will prevent the old 2.x code from being found
  76             # by py.test discovery mechanism, that apparently
  77             # ignores sys.path..
  78             ei_cmd = self.get_finalized_command("egg_info")
  79             self.test_args = [normalize_path(ei_cmd.egg_base)]
  80 
  81         cmd_args = self.test_args + ([self.pytest_args] if self.pytest_args else [])
  82         errno = pytest.main(cmd_args)
  83         sys.exit(errno)
  84 
  85 
  86 # Dirty hack to get version number from monogengine/__init__.py - we can't
  87 # import it as it depends on PyMongo and PyMongo isn't installed until this
  88 # file is read
  89 init = os.path.join(os.path.dirname(__file__), "mongoengine", "__init__.py")
  90 version_line = list(filter(lambda l: l.startswith("VERSION"), open(init)))[0]
  91 
  92 VERSION = get_version(eval(version_line.split("=")[-1]))
  93 
  94 CLASSIFIERS = [
  95     "Development Status :: 5 - Production/Stable",
  96     "Intended Audience :: Developers",
  97     "License :: OSI Approved :: MIT License",
  98     "Operating System :: OS Independent",
  99     "Programming Language :: Python",
  100     "Programming Language :: Python :: 3",
  101     "Programming Language :: Python :: 3.5",
  102     "Programming Language :: Python :: 3.6",
  103     "Programming Language :: Python :: 3.7",
  104     "Programming Language :: Python :: 3.8",
  105     "Programming Language :: Python :: Implementation :: CPython",
  106     "Programming Language :: Python :: Implementation :: PyPy",
  107     "Topic :: Database",
  108     "Topic :: Software Development :: Libraries :: Python Modules",
  109 ]
  110 
  111 extra_opts = {
  112     "packages": find_packages(exclude=["tests", "tests.*"]),
  113     "tests_require": [
  114         "pytest<5.0",
  115         "pytest-cov",
  116         "coverage<5.0",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls
  117         "blinker",
  118         "Pillow>=2.0.0, <7.0.0",  # 7.0.0 dropped Python2 support
  119     ],
  120 }
  121 
  122 if "test" in sys.argv:
  123     extra_opts["packages"] = find_packages()
  124     extra_opts["package_data"] = {
  125         "tests": ["fields/mongoengine.png", "fields/mongodb_leaf.png"]
  126     }
  127 
  128 setup(
  129     name="mongoengine",
  130     version=VERSION,
  131     author="Harry Marr",
  132     author_email="harry.marr@gmail.com",
  133     maintainer="Stefan Wojcik",
  134     maintainer_email="wojcikstefan@gmail.com",
  135     url="http://mongoengine.org/",
  136     download_url="https://github.com/MongoEngine/mongoengine/tarball/master",
  137     license="MIT",
  138     include_package_data=True,
  139     description=DESCRIPTION,
  140     long_description=LONG_DESCRIPTION,
  141     platforms=["any"],
  142     classifiers=CLASSIFIERS,
  143     python_requires=">=3.5",
  144     install_requires=["pymongo>=3.4, <4.0"],
  145     cmdclass={"test": PyTest},
  146     **extra_opts
  147 )
  148
  ```
  --- 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()
  
  ```
  
golden_diff: diff --git a/setup.py b/setup.py
  --- a/setup.py
  +++ b/setup.py
  @@ -115,7 +115,7 @@
           "pytest-cov",
           "coverage<5.0",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls
           "blinker",
  -        "Pillow>=2.0.0, <7.0.0",  # 7.0.0 dropped Python2 support
  +        "Pillow>=7.0.0",
       ],
   }
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -115,7 +115,7 @@\n         \"pytest-cov\",\n         \"coverage<5.0\",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls\n         \"blinker\",\n-        \"Pillow>=2.0.0, <7.0.0\",  # 7.0.0 dropped Python2 support\n+        \"Pillow>=7.0.0\",\n     ],\n }\n", "issue": "Version restriction on pillow\nDo we still need to restrict pillow to less then 7.0.0? This looks to have been implemented because of python2 support, which mongoengine dropped with version 0.20.0\r\n\r\nhttps://github.com/MongoEngine/mongoengine/blob/277b827d4dab4630145bc747fdab0df48a045273/setup.py#L118\n", "before_files": [{"content": "import os\nimport sys\n\nfrom pkg_resources import normalize_path\nfrom setuptools import find_packages, setup\nfrom setuptools.command.test import test as TestCommand\n\n# Hack to silence atexit traceback in newer python versions\ntry:\n    import multiprocessing\nexcept ImportError:\n    pass\n\nDESCRIPTION = \"MongoEngine is a Python Object-Document Mapper for working with MongoDB.\"\n\ntry:\n    with open(\"README.rst\") as fin:\n        LONG_DESCRIPTION = fin.read()\nexcept Exception:\n    LONG_DESCRIPTION = None\n\n\ndef get_version(version_tuple):\n    \"\"\"Return the version tuple as a string, e.g. for (0, 10, 7),\n    return '0.10.7'.\n    \"\"\"\n    return \".\".join(map(str, version_tuple))\n\n\nclass PyTest(TestCommand):\n    \"\"\"Will force pytest to search for tests inside the build directory\n    for 2to3 converted code (used by tox), instead of the current directory.\n    Required as long as we need 2to3\n\n    Known Limitation: https://tox.readthedocs.io/en/latest/example/pytest.html#known-issues-and-limitations\n    Source: https://www.hackzine.org/python-testing-with-pytest-and-2to3-plus-tox-and-travis-ci.html\n    \"\"\"\n\n    # https://pytest.readthedocs.io/en/2.7.3/goodpractises.html#integration-with-setuptools-test-commands\n    # Allows to provide pytest command argument through the test runner command `python setup.py test`\n    # e.g: `python setup.py test -a \"-k=test\"`\n    # This only works for 1 argument though\n    user_options = [(\"pytest-args=\", \"a\", \"Arguments to pass to py.test\")]\n\n    def initialize_options(self):\n        TestCommand.initialize_options(self)\n        self.pytest_args = \"\"\n\n    def finalize_options(self):\n        TestCommand.finalize_options(self)\n        self.test_args = [\"tests\"]\n        self.test_suite = True\n\n    def run_tests(self):\n        # import here, cause outside the eggs aren't loaded\n        from pkg_resources import _namespace_packages\n        import pytest\n\n        # Purge modules under test from sys.modules. The test loader will\n        # re-import them from the build location. Required when 2to3 is used\n        # with namespace packages.\n        if sys.version_info >= (3,) and getattr(self.distribution, \"use_2to3\", False):\n            module = self.test_args[-1].split(\".\")[0]\n            if module in _namespace_packages:\n                del_modules = []\n                if module in sys.modules:\n                    del_modules.append(module)\n                module += \".\"\n                for name in sys.modules:\n                    if name.startswith(module):\n                        del_modules.append(name)\n                map(sys.modules.__delitem__, del_modules)\n\n            # Run on the build directory for 2to3-built code\n            # This will prevent the old 2.x code from being found\n            # by py.test discovery mechanism, that apparently\n            # ignores sys.path..\n            ei_cmd = self.get_finalized_command(\"egg_info\")\n            self.test_args = [normalize_path(ei_cmd.egg_base)]\n\n        cmd_args = self.test_args + ([self.pytest_args] if self.pytest_args else [])\n        errno = pytest.main(cmd_args)\n        sys.exit(errno)\n\n\n# Dirty hack to get version number from monogengine/__init__.py - we can't\n# import it as it depends on PyMongo and PyMongo isn't installed until this\n# file is read\ninit = os.path.join(os.path.dirname(__file__), \"mongoengine\", \"__init__.py\")\nversion_line = list(filter(lambda l: l.startswith(\"VERSION\"), open(init)))[0]\n\nVERSION = get_version(eval(version_line.split(\"=\")[-1]))\n\nCLASSIFIERS = [\n    \"Development Status :: 5 - Production/Stable\",\n    \"Intended Audience :: Developers\",\n    \"License :: OSI Approved :: MIT License\",\n    \"Operating System :: OS Independent\",\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 :: Implementation :: CPython\",\n    \"Programming Language :: Python :: Implementation :: PyPy\",\n    \"Topic :: Database\",\n    \"Topic :: Software Development :: Libraries :: Python Modules\",\n]\n\nextra_opts = {\n    \"packages\": find_packages(exclude=[\"tests\", \"tests.*\"]),\n    \"tests_require\": [\n        \"pytest<5.0\",\n        \"pytest-cov\",\n        \"coverage<5.0\",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls\n        \"blinker\",\n        \"Pillow>=2.0.0, <7.0.0\",  # 7.0.0 dropped Python2 support\n    ],\n}\n\nif \"test\" in sys.argv:\n    extra_opts[\"packages\"] = find_packages()\n    extra_opts[\"package_data\"] = {\n        \"tests\": [\"fields/mongoengine.png\", \"fields/mongodb_leaf.png\"]\n    }\n\nsetup(\n    name=\"mongoengine\",\n    version=VERSION,\n    author=\"Harry Marr\",\n    author_email=\"harry.marr@gmail.com\",\n    maintainer=\"Stefan Wojcik\",\n    maintainer_email=\"wojcikstefan@gmail.com\",\n    url=\"http://mongoengine.org/\",\n    download_url=\"https://github.com/MongoEngine/mongoengine/tarball/master\",\n    license=\"MIT\",\n    include_package_data=True,\n    description=DESCRIPTION,\n    long_description=LONG_DESCRIPTION,\n    platforms=[\"any\"],\n    classifiers=CLASSIFIERS,\n    python_requires=\">=3.5\",\n    install_requires=[\"pymongo>=3.4, <4.0\"],\n    cmdclass={\"test\": PyTest},\n    **extra_opts\n)\n", "path": "setup.py"}], "after_files": [{"content": "import os\nimport sys\n\nfrom pkg_resources import normalize_path\nfrom setuptools import find_packages, setup\nfrom setuptools.command.test import test as TestCommand\n\n# Hack to silence atexit traceback in newer python versions\ntry:\n    import multiprocessing\nexcept ImportError:\n    pass\n\nDESCRIPTION = \"MongoEngine is a Python Object-Document Mapper for working with MongoDB.\"\n\ntry:\n    with open(\"README.rst\") as fin:\n        LONG_DESCRIPTION = fin.read()\nexcept Exception:\n    LONG_DESCRIPTION = None\n\n\ndef get_version(version_tuple):\n    \"\"\"Return the version tuple as a string, e.g. for (0, 10, 7),\n    return '0.10.7'.\n    \"\"\"\n    return \".\".join(map(str, version_tuple))\n\n\nclass PyTest(TestCommand):\n    \"\"\"Will force pytest to search for tests inside the build directory\n    for 2to3 converted code (used by tox), instead of the current directory.\n    Required as long as we need 2to3\n\n    Known Limitation: https://tox.readthedocs.io/en/latest/example/pytest.html#known-issues-and-limitations\n    Source: https://www.hackzine.org/python-testing-with-pytest-and-2to3-plus-tox-and-travis-ci.html\n    \"\"\"\n\n    # https://pytest.readthedocs.io/en/2.7.3/goodpractises.html#integration-with-setuptools-test-commands\n    # Allows to provide pytest command argument through the test runner command `python setup.py test`\n    # e.g: `python setup.py test -a \"-k=test\"`\n    # This only works for 1 argument though\n    user_options = [(\"pytest-args=\", \"a\", \"Arguments to pass to py.test\")]\n\n    def initialize_options(self):\n        TestCommand.initialize_options(self)\n        self.pytest_args = \"\"\n\n    def finalize_options(self):\n        TestCommand.finalize_options(self)\n        self.test_args = [\"tests\"]\n        self.test_suite = True\n\n    def run_tests(self):\n        # import here, cause outside the eggs aren't loaded\n        from pkg_resources import _namespace_packages\n        import pytest\n\n        # Purge modules under test from sys.modules. The test loader will\n        # re-import them from the build location. Required when 2to3 is used\n        # with namespace packages.\n        if sys.version_info >= (3,) and getattr(self.distribution, \"use_2to3\", False):\n            module = self.test_args[-1].split(\".\")[0]\n            if module in _namespace_packages:\n                del_modules = []\n                if module in sys.modules:\n                    del_modules.append(module)\n                module += \".\"\n                for name in sys.modules:\n                    if name.startswith(module):\n                        del_modules.append(name)\n                map(sys.modules.__delitem__, del_modules)\n\n            # Run on the build directory for 2to3-built code\n            # This will prevent the old 2.x code from being found\n            # by py.test discovery mechanism, that apparently\n            # ignores sys.path..\n            ei_cmd = self.get_finalized_command(\"egg_info\")\n            self.test_args = [normalize_path(ei_cmd.egg_base)]\n\n        cmd_args = self.test_args + ([self.pytest_args] if self.pytest_args else [])\n        errno = pytest.main(cmd_args)\n        sys.exit(errno)\n\n\n# Dirty hack to get version number from monogengine/__init__.py - we can't\n# import it as it depends on PyMongo and PyMongo isn't installed until this\n# file is read\ninit = os.path.join(os.path.dirname(__file__), \"mongoengine\", \"__init__.py\")\nversion_line = list(filter(lambda l: l.startswith(\"VERSION\"), open(init)))[0]\n\nVERSION = get_version(eval(version_line.split(\"=\")[-1]))\n\nCLASSIFIERS = [\n    \"Development Status :: 5 - Production/Stable\",\n    \"Intended Audience :: Developers\",\n    \"License :: OSI Approved :: MIT License\",\n    \"Operating System :: OS Independent\",\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 :: Implementation :: CPython\",\n    \"Programming Language :: Python :: Implementation :: PyPy\",\n    \"Topic :: Database\",\n    \"Topic :: Software Development :: Libraries :: Python Modules\",\n]\n\nextra_opts = {\n    \"packages\": find_packages(exclude=[\"tests\", \"tests.*\"]),\n    \"tests_require\": [\n        \"pytest<5.0\",\n        \"pytest-cov\",\n        \"coverage<5.0\",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls\n        \"blinker\",\n        \"Pillow>=7.0.0\",\n    ],\n}\n\nif \"test\" in sys.argv:\n    extra_opts[\"packages\"] = find_packages()\n    extra_opts[\"package_data\"] = {\n        \"tests\": [\"fields/mongoengine.png\", \"fields/mongodb_leaf.png\"]\n    }\n\nsetup(\n    name=\"mongoengine\",\n    version=VERSION,\n    author=\"Harry Marr\",\n    author_email=\"harry.marr@gmail.com\",\n    maintainer=\"Stefan Wojcik\",\n    maintainer_email=\"wojcikstefan@gmail.com\",\n    url=\"http://mongoengine.org/\",\n    download_url=\"https://github.com/MongoEngine/mongoengine/tarball/master\",\n    license=\"MIT\",\n    include_package_data=True,\n    description=DESCRIPTION,\n    long_description=LONG_DESCRIPTION,\n    platforms=[\"any\"],\n    classifiers=CLASSIFIERS,\n    python_requires=\">=3.5\",\n    install_requires=[\"pymongo>=3.4, <4.0\"],\n    cmdclass={\"test\": PyTest},\n    **extra_opts\n)\n", "path": "setup.py"}]}