We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Error installing skimage-
Hi!
I've install skimage on a MacOs 10.10, like it's said in the documentation:
pip install -U scikit-image
and it say that need scipy to work, I had to install it to work.


--- 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 
3 descr = """Image Processing SciKit
4 
5 Image processing algorithms for SciPy, including IO, morphology, filtering,
6 warping, color manipulation, object detection, etc.
7 
8 Please refer to the online documentation at
9 http://scikit-image.org/
10 """
11 
12 DISTNAME            = 'scikit-image'
13 DESCRIPTION         = 'Image processing routines for SciPy'
14 LONG_DESCRIPTION    = descr
15 MAINTAINER          = 'Stefan van der Walt'
16 MAINTAINER_EMAIL    = 'stefan@sun.ac.za'
17 URL                 = 'http://scikit-image.org'
18 LICENSE             = 'Modified BSD'
19 DOWNLOAD_URL        = 'http://github.com/scikit-image/scikit-image'
20 
21 import os
22 import sys
23 
24 import setuptools
25 from distutils.command.build_py import build_py
26 
27 
28 with open('skimage/__init__.py') as fid:
29     for line in fid:
30         if line.startswith('__version__'):
31             VERSION = line.strip().split()[-1][1:-1]
32             break
33 
34 with open('requirements.txt') as fid:
35     INSTALL_REQUIRES = [l.strip() for l in fid.readlines() if l]
36 
37 # development versions do not have the cythonized files
38 if VERSION.endswith('dev'):
39     SETUP_REQUIRES = [r for r in INSTALL_REQUIRES if r.startswith('cython')]
40 else:
41     INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES
42                                          if not r.startswith('cython')]
43     SETUP_REQUIRES = []
44 
45 
46 # list requirements for PyPI
47 REQUIRES = [r.replace('>=', ' (>= ') + ')'
48                       for r in INSTALL_REQUIRES + SETUP_REQUIRES]
49 REQUIRES = [r.replace('==', ' (== ') for r in REQUIRES]
50 
51 
52 # do not attempt to install numpy and scipy until they have eggs available
53 INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES
54                                      if not r.startswith(('scipy', 'numpy'))]
55 
56 
57 def configuration(parent_package='', top_path=None):
58     if os.path.exists('MANIFEST'): os.remove('MANIFEST')
59 
60     from numpy.distutils.misc_util import Configuration
61     config = Configuration(None, parent_package, top_path)
62 
63     config.set_options(
64             ignore_setup_xxx_py=True,
65             assume_default_configuration=True,
66             delegate_options_to_subpackages=True,
67             quiet=True)
68 
69     config.add_subpackage('skimage')
70     config.add_data_dir('skimage/data')
71 
72     return config
73 
74 
75 if __name__ == "__main__":
76     # purposely fail loudly if numpy or scipy are not available
77     from numpy.distutils.core import setup
78     import scipy
79 
80     setup(
81         name=DISTNAME,
82         description=DESCRIPTION,
83         long_description=LONG_DESCRIPTION,
84         maintainer=MAINTAINER,
85         maintainer_email=MAINTAINER_EMAIL,
86         url=URL,
87         license=LICENSE,
88         download_url=DOWNLOAD_URL,
89         version=VERSION,
90 
91         classifiers=[
92             'Development Status :: 4 - Beta',
93             'Environment :: Console',
94             'Intended Audience :: Developers',
95             'Intended Audience :: Science/Research',
96             'License :: OSI Approved :: BSD License',
97             'Programming Language :: C',
98             'Programming Language :: Python',
99             'Programming Language :: Python :: 3',
100             'Topic :: Scientific/Engineering',
101             'Operating System :: Microsoft :: Windows',
102             'Operating System :: POSIX',
103             'Operating System :: Unix',
104             'Operating System :: MacOS',
105         ],
106 
107         configuration=configuration,
108         setup_requires=SETUP_REQUIRES,
109         install_requires=INSTALL_REQUIRES,
110         requires=REQUIRES,
111         packages=setuptools.find_packages(exclude=['doc']),
112         include_package_data=True,
113         zip_safe=False,  # the package can run out of an .egg file
114 
115         entry_points={
116             'console_scripts': ['skivi = skimage.scripts.skivi:main'],
117         },
118 
119         cmdclass={'build_py': build_py},
120     )
121
```
--- 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
@@ -34,24 +34,10 @@
 with open('requirements.txt') as fid:
     INSTALL_REQUIRES = [l.strip() for l in fid.readlines() if l]
 
-# development versions do not have the cythonized files
-if VERSION.endswith('dev'):
-    SETUP_REQUIRES = [r for r in INSTALL_REQUIRES if r.startswith('cython')]
-else:
-    INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES
-                                         if not r.startswith('cython')]
-    SETUP_REQUIRES = []
-
-
-# list requirements for PyPI
-REQUIRES = [r.replace('>=', ' (>= ') + ')'
-                      for r in INSTALL_REQUIRES + SETUP_REQUIRES]
+# requirements for those browsing PyPI
+REQUIRES = [r.replace('>=', ' (>= ') + ')' for r in INSTALL_REQUIRES]
 REQUIRES = [r.replace('==', ' (== ') for r in REQUIRES]
-
-
-# do not attempt to install numpy and scipy until they have eggs available
-INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES
-                                     if not r.startswith(('scipy', 'numpy'))]
+REQUIRES = [r.replace('[array]', '') for r in REQUIRES]
 
 
 def configuration(parent_package='', top_path=None):
@@ -73,9 +59,17 @@
 
 
 if __name__ == "__main__":
-    # purposely fail loudly if numpy or scipy are not available
-    from numpy.distutils.core import setup
-    import scipy
+    # purposely fail if numpy is not available
+    # other dependecies will be resolved by pip (install_requires)
+    try:
+        from numpy.distutils.core import setup
+    except ImportError:
+        print('To install scikit-image from source, you will need numpy.\n' +
+              'Install numpy with pip:\n' +
+              'pip install numpy\n'
+              'Or use your operating system package manager. For more\n' +
+              'details, see http://scikit-image.org/docs/stable/install.html')
+        sys.exit(1)
 
     setup(
         name=DISTNAME,
@@ -105,8 +99,9 @@
         ],
 
         configuration=configuration,
-        setup_requires=SETUP_REQUIRES,
         install_requires=INSTALL_REQUIRES,
+        # install cython when running setup.py (source install)
+        setup_requires=['cython>=0.21'],
         requires=REQUIRES,
         packages=setuptools.find_packages(exclude=['doc']),
         include_package_data=True,

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -34,24 +34,10 @@\n with open('requirements.txt') as fid:\n     INSTALL_REQUIRES = [l.strip() for l in fid.readlines() if l]\n \n-# development versions do not have the cythonized files\n-if VERSION.endswith('dev'):\n-    SETUP_REQUIRES = [r for r in INSTALL_REQUIRES if r.startswith('cython')]\n-else:\n-    INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES\n-                                         if not r.startswith('cython')]\n-    SETUP_REQUIRES = []\n-\n-\n-# list requirements for PyPI\n-REQUIRES = [r.replace('>=', ' (>= ') + ')'\n-                      for r in INSTALL_REQUIRES + SETUP_REQUIRES]\n+# requirements for those browsing PyPI\n+REQUIRES = [r.replace('>=', ' (>= ') + ')' for r in INSTALL_REQUIRES]\n REQUIRES = [r.replace('==', ' (== ') for r in REQUIRES]\n-\n-\n-# do not attempt to install numpy and scipy until they have eggs available\n-INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES\n-                                     if not r.startswith(('scipy', 'numpy'))]\n+REQUIRES = [r.replace('[array]', '') for r in REQUIRES]\n \n \n def configuration(parent_package='', top_path=None):\n@@ -73,9 +59,17 @@\n \n \n if __name__ == \"__main__\":\n-    # purposely fail loudly if numpy or scipy are not available\n-    from numpy.distutils.core import setup\n-    import scipy\n+    # purposely fail if numpy is not available\n+    # other dependecies will be resolved by pip (install_requires)\n+    try:\n+        from numpy.distutils.core import setup\n+    except ImportError:\n+        print('To install scikit-image from source, you will need numpy.\\n' +\n+              'Install numpy with pip:\\n' +\n+              'pip install numpy\\n'\n+              'Or use your operating system package manager. For more\\n' +\n+              'details, see http://scikit-image.org/docs/stable/install.html')\n+        sys.exit(1)\n \n     setup(\n         name=DISTNAME,\n@@ -105,8 +99,9 @@\n         ],\n \n         configuration=configuration,\n-        setup_requires=SETUP_REQUIRES,\n         install_requires=INSTALL_REQUIRES,\n+        # install cython when running setup.py (source install)\n+        setup_requires=['cython>=0.21'],\n         requires=REQUIRES,\n         packages=setuptools.find_packages(exclude=['doc']),\n         include_package_data=True,\n", "issue": "Error installing skimage-\nHi!\nI've install skimage on a MacOs 10.10, like it's said in the documentation:\npip install -U scikit-image\nand it say that need scipy to work, I had to install it to work.\n\n", "before_files": [{"content": "#! /usr/bin/env python\n\ndescr = \"\"\"Image Processing SciKit\n\nImage processing algorithms for SciPy, including IO, morphology, filtering,\nwarping, color manipulation, object detection, etc.\n\nPlease refer to the online documentation at\nhttp://scikit-image.org/\n\"\"\"\n\nDISTNAME            = 'scikit-image'\nDESCRIPTION         = 'Image processing routines for SciPy'\nLONG_DESCRIPTION    = descr\nMAINTAINER          = 'Stefan van der Walt'\nMAINTAINER_EMAIL    = 'stefan@sun.ac.za'\nURL                 = 'http://scikit-image.org'\nLICENSE             = 'Modified BSD'\nDOWNLOAD_URL        = 'http://github.com/scikit-image/scikit-image'\n\nimport os\nimport sys\n\nimport setuptools\nfrom distutils.command.build_py import build_py\n\n\nwith open('skimage/__init__.py') as fid:\n    for line in fid:\n        if line.startswith('__version__'):\n            VERSION = line.strip().split()[-1][1:-1]\n            break\n\nwith open('requirements.txt') as fid:\n    INSTALL_REQUIRES = [l.strip() for l in fid.readlines() if l]\n\n# development versions do not have the cythonized files\nif VERSION.endswith('dev'):\n    SETUP_REQUIRES = [r for r in INSTALL_REQUIRES if r.startswith('cython')]\nelse:\n    INSTALL_REQUIRES = [r for r in INSTALL_REQUIRES\n                                         if not r.startswith('cython')]\n    SETUP_REQUIRES = []\n\n\n# list requirements for PyPI\nREQUIRES = [r.replace('>=', ' (>= ') + ')'\n                      for r in INSTALL_REQUIRES + SETUP_REQUIRES]\nREQUIRES = [r.replace('==', ' (== ') for r in REQUIRES]\n\n\n# do not attempt to install numpy and scipy until they have eggs available\nINSTALL_REQUIRES = [r for r in INSTALL_REQUIRES\n                                     if not r.startswith(('scipy', 'numpy'))]\n\n\ndef configuration(parent_package='', top_path=None):\n    if os.path.exists('MANIFEST'): os.remove('MANIFEST')\n\n    from numpy.distutils.misc_util import Configuration\n    config = Configuration(None, parent_package, top_path)\n\n    config.set_options(\n            ignore_setup_xxx_py=True,\n            assume_default_configuration=True,\n            delegate_options_to_subpackages=True,\n            quiet=True)\n\n    config.add_subpackage('skimage')\n    config.add_data_dir('skimage/data')\n\n    return config\n\n\nif __name__ == \"__main__\":\n    # purposely fail loudly if numpy or scipy are not available\n    from numpy.distutils.core import setup\n    import scipy\n\n    setup(\n        name=DISTNAME,\n        description=DESCRIPTION,\n        long_description=LONG_DESCRIPTION,\n        maintainer=MAINTAINER,\n        maintainer_email=MAINTAINER_EMAIL,\n        url=URL,\n        license=LICENSE,\n        download_url=DOWNLOAD_URL,\n        version=VERSION,\n\n        classifiers=[\n            'Development Status :: 4 - Beta',\n            'Environment :: Console',\n            'Intended Audience :: Developers',\n            'Intended Audience :: Science/Research',\n            'License :: OSI Approved :: BSD License',\n            'Programming Language :: C',\n            'Programming Language :: Python',\n            'Programming Language :: Python :: 3',\n            'Topic :: Scientific/Engineering',\n            'Operating System :: Microsoft :: Windows',\n            'Operating System :: POSIX',\n            'Operating System :: Unix',\n            'Operating System :: MacOS',\n        ],\n\n        configuration=configuration,\n        setup_requires=SETUP_REQUIRES,\n        install_requires=INSTALL_REQUIRES,\n        requires=REQUIRES,\n        packages=setuptools.find_packages(exclude=['doc']),\n        include_package_data=True,\n        zip_safe=False,  # the package can run out of an .egg file\n\n        entry_points={\n            'console_scripts': ['skivi = skimage.scripts.skivi:main'],\n        },\n\n        cmdclass={'build_py': build_py},\n    )\n", "path": "setup.py"}], "after_files": [{"content": "#! /usr/bin/env python\n\ndescr = \"\"\"Image Processing SciKit\n\nImage processing algorithms for SciPy, including IO, morphology, filtering,\nwarping, color manipulation, object detection, etc.\n\nPlease refer to the online documentation at\nhttp://scikit-image.org/\n\"\"\"\n\nDISTNAME            = 'scikit-image'\nDESCRIPTION         = 'Image processing routines for SciPy'\nLONG_DESCRIPTION    = descr\nMAINTAINER          = 'Stefan van der Walt'\nMAINTAINER_EMAIL    = 'stefan@sun.ac.za'\nURL                 = 'http://scikit-image.org'\nLICENSE             = 'Modified BSD'\nDOWNLOAD_URL        = 'http://github.com/scikit-image/scikit-image'\n\nimport os\nimport sys\n\nimport setuptools\nfrom distutils.command.build_py import build_py\n\n\nwith open('skimage/__init__.py') as fid:\n    for line in fid:\n        if line.startswith('__version__'):\n            VERSION = line.strip().split()[-1][1:-1]\n            break\n\nwith open('requirements.txt') as fid:\n    INSTALL_REQUIRES = [l.strip() for l in fid.readlines() if l]\n\n# requirements for those browsing PyPI\nREQUIRES = [r.replace('>=', ' (>= ') + ')' for r in INSTALL_REQUIRES]\nREQUIRES = [r.replace('==', ' (== ') for r in REQUIRES]\nREQUIRES = [r.replace('[array]', '') for r in REQUIRES]\n\n\ndef configuration(parent_package='', top_path=None):\n    if os.path.exists('MANIFEST'): os.remove('MANIFEST')\n\n    from numpy.distutils.misc_util import Configuration\n    config = Configuration(None, parent_package, top_path)\n\n    config.set_options(\n            ignore_setup_xxx_py=True,\n            assume_default_configuration=True,\n            delegate_options_to_subpackages=True,\n            quiet=True)\n\n    config.add_subpackage('skimage')\n    config.add_data_dir('skimage/data')\n\n    return config\n\n\nif __name__ == \"__main__\":\n    # purposely fail if numpy is not available\n    # other dependecies will be resolved by pip (install_requires)\n    try:\n        from numpy.distutils.core import setup\n    except ImportError:\n        print('To install scikit-image from source, you will need numpy.\\n' +\n              'Install numpy with pip:\\n' +\n              'pip install numpy\\n'\n              'Or use your operating system package manager. For more\\n' +\n              'details, see http://scikit-image.org/docs/stable/install.html')\n        sys.exit(1)\n\n    setup(\n        name=DISTNAME,\n        description=DESCRIPTION,\n        long_description=LONG_DESCRIPTION,\n        maintainer=MAINTAINER,\n        maintainer_email=MAINTAINER_EMAIL,\n        url=URL,\n        license=LICENSE,\n        download_url=DOWNLOAD_URL,\n        version=VERSION,\n\n        classifiers=[\n            'Development Status :: 4 - Beta',\n            'Environment :: Console',\n            'Intended Audience :: Developers',\n            'Intended Audience :: Science/Research',\n            'License :: OSI Approved :: BSD License',\n            'Programming Language :: C',\n            'Programming Language :: Python',\n            'Programming Language :: Python :: 3',\n            'Topic :: Scientific/Engineering',\n            'Operating System :: Microsoft :: Windows',\n            'Operating System :: POSIX',\n            'Operating System :: Unix',\n            'Operating System :: MacOS',\n        ],\n\n        configuration=configuration,\n        install_requires=INSTALL_REQUIRES,\n        # install cython when running setup.py (source install)\n        setup_requires=['cython>=0.21'],\n        requires=REQUIRES,\n        packages=setuptools.find_packages(exclude=['doc']),\n        include_package_data=True,\n        zip_safe=False,  # the package can run out of an .egg file\n\n        entry_points={\n            'console_scripts': ['skivi = skimage.scripts.skivi:main'],\n        },\n\n        cmdclass={'build_py': build_py},\n    )\n", "path": "setup.py"}]}