We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Add Python 3 to setup.py
We need to note in the setup.py that Python 3 is supported.

--- 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 """Use the following command to install retriever: python setup.py install"""
2 from __future__ import absolute_import
3 
4 from setuptools import setup
5 from pkg_resources import parse_version
6 import platform
7 
8 
9 current_platform = platform.system().lower()
10 extra_includes = []
11 if current_platform == "darwin":
12     try:
13         import py2app
14     except ImportError:
15         pass
16     extra_includes = []
17 elif current_platform == "windows":
18     try:
19         import py2exe
20     except ImportError:
21         pass
22     import sys
23     extra_includes = ['pyodbc', 'inspect']
24     sys.path.append(
25         "C:\\Windows\\winsxs\\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.21022.8_none_bcb86ed6ac711f91")
26 
27 __version__ = 'v2.0.dev'
28 with open("_version.py", "w") as version_file:
29     version_file.write("__version__ = " + "'" + __version__ + "'\n")
30     version_file.close()
31 
32 
33 def clean_version(v):
34     return parse_version(v).__repr__().lstrip("<Version('").rstrip("')>")
35 
36 packages = [
37     'retriever.lib',
38     'retriever.engines',
39     'retriever',
40 ]
41 
42 includes = [
43     'xlrd',
44     'future'
45     'pymysql',
46     'psycopg2',
47     'sqlite3',
48 ] + extra_includes
49 
50 excludes = [
51     'pyreadline',
52     'doctest',
53     'optparse',
54     'getopt',
55     'pickle',
56     'calendar',
57     'pdb',
58     'inspect',
59     'email',
60     'pywin', 'pywin.debugger',
61     'pywin.debugger.dbgcon',
62     'pywin.dialogs', 'pywin.dialogs.list',
63     'Tkconstants', 'Tkinter', 'tcl',
64 ]
65 
66 setup(name='retriever',
67       version=clean_version(__version__),
68       description='Data Retriever',
69       author='Ben Morris, Ethan White, Henry Senyondo',
70       author_email='ethan@weecology.org',
71       url='https://github.com/weecology/retriever',
72       classifiers=['Intended Audience :: Science/Research',
73                    'License :: OSI Approved :: MIT License',
74                    'Programming Language :: Python',
75                    'Programming Language :: Python :: 2', ],
76       packages=packages,
77       package_dir={
78           'retriever': ''
79       },
80       entry_points={
81           'console_scripts': [
82               'retriever = retriever.__main__:main',
83           ],
84       },
85       install_requires=[
86           'xlrd',
87           'future'
88       ],
89 
90       # py2exe flags
91       console=[{'script': "__main__.py",
92                 'dest_base': "retriever",
93                 'icon_resources': [(1, 'icon.ico')]
94                 }],
95       zipfile=None,
96 
97       # py2app flags
98       app=['__main__.py'],
99       data_files=[('', ['CITATION'])],
100       setup_requires=['py2app'] if current_platform == 'darwin' else [],
101 
102       # options
103       # optimize is set to 1 of py2app to avoid errors with pymysql
104       # bundle_files = 1 or 2 was causing failed builds so we moved
105       # to bundle_files = 3 and Inno Setup
106       options={'py2exe': {'bundle_files': 3,
107                           'compressed': 2,
108                           'optimize': 1,
109                           'packages': packages,
110                           'includes': includes,
111                           'excludes': excludes,
112                           },
113                'py2app': {'packages': ['retriever'],
114                           'includes': includes,
115                           'site_packages': True,
116                           'resources': [],
117                           'optimize': 1,
118                           'argv_emulation': True,
119                           'no_chdir': True,
120                           'iconfile': 'osx_icon.icns',
121                           },
122                },
123       )
124 
125 
126 try:
127     from retriever.compile import compile
128     from retriever.lib.repository import check_for_updates
129     compile()
130     check_for_updates()
131 except:
132     pass
133
```
--- 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
@@ -72,7 +72,8 @@
       classifiers=['Intended Audience :: Science/Research',
                    'License :: OSI Approved :: MIT License',
                    'Programming Language :: Python',
-                   'Programming Language :: Python :: 2', ],
+                   'Programming Language :: Python :: 2',
+                   'Programming Language :: Python :: 3',],
       packages=packages,
       package_dir={
           'retriever': ''

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -72,7 +72,8 @@\n       classifiers=['Intended Audience :: Science/Research',\n                    'License :: OSI Approved :: MIT License',\n                    'Programming Language :: Python',\n-                   'Programming Language :: Python :: 2', ],\n+                   'Programming Language :: Python :: 2',\n+                   'Programming Language :: Python :: 3',],\n       packages=packages,\n       package_dir={\n           'retriever': ''\n", "issue": "Add Python 3 to setup.py\nWe need to note in the setup.py that Python 3 is supported.\n", "before_files": [{"content": "\"\"\"Use the following command to install retriever: python setup.py install\"\"\"\nfrom __future__ import absolute_import\n\nfrom setuptools import setup\nfrom pkg_resources import parse_version\nimport platform\n\n\ncurrent_platform = platform.system().lower()\nextra_includes = []\nif current_platform == \"darwin\":\n    try:\n        import py2app\n    except ImportError:\n        pass\n    extra_includes = []\nelif current_platform == \"windows\":\n    try:\n        import py2exe\n    except ImportError:\n        pass\n    import sys\n    extra_includes = ['pyodbc', 'inspect']\n    sys.path.append(\n        \"C:\\\\Windows\\\\winsxs\\\\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.21022.8_none_bcb86ed6ac711f91\")\n\n__version__ = 'v2.0.dev'\nwith open(\"_version.py\", \"w\") as version_file:\n    version_file.write(\"__version__ = \" + \"'\" + __version__ + \"'\\n\")\n    version_file.close()\n\n\ndef clean_version(v):\n    return parse_version(v).__repr__().lstrip(\"<Version('\").rstrip(\"')>\")\n\npackages = [\n    'retriever.lib',\n    'retriever.engines',\n    'retriever',\n]\n\nincludes = [\n    'xlrd',\n    'future'\n    'pymysql',\n    'psycopg2',\n    'sqlite3',\n] + extra_includes\n\nexcludes = [\n    'pyreadline',\n    'doctest',\n    'optparse',\n    'getopt',\n    'pickle',\n    'calendar',\n    'pdb',\n    'inspect',\n    'email',\n    'pywin', 'pywin.debugger',\n    'pywin.debugger.dbgcon',\n    'pywin.dialogs', 'pywin.dialogs.list',\n    'Tkconstants', 'Tkinter', 'tcl',\n]\n\nsetup(name='retriever',\n      version=clean_version(__version__),\n      description='Data Retriever',\n      author='Ben Morris, Ethan White, Henry Senyondo',\n      author_email='ethan@weecology.org',\n      url='https://github.com/weecology/retriever',\n      classifiers=['Intended Audience :: Science/Research',\n                   'License :: OSI Approved :: MIT License',\n                   'Programming Language :: Python',\n                   'Programming Language :: Python :: 2', ],\n      packages=packages,\n      package_dir={\n          'retriever': ''\n      },\n      entry_points={\n          'console_scripts': [\n              'retriever = retriever.__main__:main',\n          ],\n      },\n      install_requires=[\n          'xlrd',\n          'future'\n      ],\n\n      # py2exe flags\n      console=[{'script': \"__main__.py\",\n                'dest_base': \"retriever\",\n                'icon_resources': [(1, 'icon.ico')]\n                }],\n      zipfile=None,\n\n      # py2app flags\n      app=['__main__.py'],\n      data_files=[('', ['CITATION'])],\n      setup_requires=['py2app'] if current_platform == 'darwin' else [],\n\n      # options\n      # optimize is set to 1 of py2app to avoid errors with pymysql\n      # bundle_files = 1 or 2 was causing failed builds so we moved\n      # to bundle_files = 3 and Inno Setup\n      options={'py2exe': {'bundle_files': 3,\n                          'compressed': 2,\n                          'optimize': 1,\n                          'packages': packages,\n                          'includes': includes,\n                          'excludes': excludes,\n                          },\n               'py2app': {'packages': ['retriever'],\n                          'includes': includes,\n                          'site_packages': True,\n                          'resources': [],\n                          'optimize': 1,\n                          'argv_emulation': True,\n                          'no_chdir': True,\n                          'iconfile': 'osx_icon.icns',\n                          },\n               },\n      )\n\n\ntry:\n    from retriever.compile import compile\n    from retriever.lib.repository import check_for_updates\n    compile()\n    check_for_updates()\nexcept:\n    pass\n", "path": "setup.py"}], "after_files": [{"content": "\"\"\"Use the following command to install retriever: python setup.py install\"\"\"\nfrom __future__ import absolute_import\n\nfrom setuptools import setup\nfrom pkg_resources import parse_version\nimport platform\n\n\ncurrent_platform = platform.system().lower()\nextra_includes = []\nif current_platform == \"darwin\":\n    try:\n        import py2app\n    except ImportError:\n        pass\n    extra_includes = []\nelif current_platform == \"windows\":\n    try:\n        import py2exe\n    except ImportError:\n        pass\n    import sys\n    extra_includes = ['pyodbc', 'inspect']\n    sys.path.append(\n        \"C:\\\\Windows\\\\winsxs\\\\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.21022.8_none_bcb86ed6ac711f91\")\n\n__version__ = 'v2.0.dev'\nwith open(\"_version.py\", \"w\") as version_file:\n    version_file.write(\"__version__ = \" + \"'\" + __version__ + \"'\\n\")\n    version_file.close()\n\n\ndef clean_version(v):\n    return parse_version(v).__repr__().lstrip(\"<Version('\").rstrip(\"')>\")\n\npackages = [\n    'retriever.lib',\n    'retriever.engines',\n    'retriever',\n]\n\nincludes = [\n    'xlrd',\n    'future'\n    'pymysql',\n    'psycopg2',\n    'sqlite3',\n] + extra_includes\n\nexcludes = [\n    'pyreadline',\n    'doctest',\n    'optparse',\n    'getopt',\n    'pickle',\n    'calendar',\n    'pdb',\n    'inspect',\n    'email',\n    'pywin', 'pywin.debugger',\n    'pywin.debugger.dbgcon',\n    'pywin.dialogs', 'pywin.dialogs.list',\n    'Tkconstants', 'Tkinter', 'tcl',\n]\n\nsetup(name='retriever',\n      version=clean_version(__version__),\n      description='Data Retriever',\n      author='Ben Morris, Ethan White, Henry Senyondo',\n      author_email='ethan@weecology.org',\n      url='https://github.com/weecology/retriever',\n      classifiers=['Intended Audience :: Science/Research',\n                   'License :: OSI Approved :: MIT License',\n                   'Programming Language :: Python',\n                   'Programming Language :: Python :: 2',\n                   'Programming Language :: Python :: 3',],\n      packages=packages,\n      package_dir={\n          'retriever': ''\n      },\n      entry_points={\n          'console_scripts': [\n              'retriever = retriever.__main__:main',\n          ],\n      },\n      install_requires=[\n          'xlrd',\n          'future'\n      ],\n\n      # py2exe flags\n      console=[{'script': \"__main__.py\",\n                'dest_base': \"retriever\",\n                'icon_resources': [(1, 'icon.ico')]\n                }],\n      zipfile=None,\n\n      # py2app flags\n      app=['__main__.py'],\n      data_files=[('', ['CITATION'])],\n      setup_requires=['py2app'] if current_platform == 'darwin' else [],\n\n      # options\n      # optimize is set to 1 of py2app to avoid errors with pymysql\n      # bundle_files = 1 or 2 was causing failed builds so we moved\n      # to bundle_files = 3 and Inno Setup\n      options={'py2exe': {'bundle_files': 3,\n                          'compressed': 2,\n                          'optimize': 1,\n                          'packages': packages,\n                          'includes': includes,\n                          'excludes': excludes,\n                          },\n               'py2app': {'packages': ['retriever'],\n                          'includes': includes,\n                          'site_packages': True,\n                          'resources': [],\n                          'optimize': 1,\n                          'argv_emulation': True,\n                          'no_chdir': True,\n                          'iconfile': 'osx_icon.icns',\n                          },\n               },\n      )\n\n\ntry:\n    from retriever.compile import compile\n    from retriever.lib.repository import check_for_updates\n    compile()\n    check_for_updates()\nexcept:\n    pass\n", "path": "setup.py"}]}