prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Kubernetes option missing in setup.py
  The option to install kubernetes as an optional extra is missing from our setup.py script.
  
  reported by Ben Galewsky.
  
  </issue>
  <code>
  [start of setup.py]
  1 from setuptools import setup, find_packages
  2 
  3 with open('parsl/version.py') as f:
  4     exec(f.read())
  5 
  6 with open('requirements.txt') as f:
  7     install_requires = f.readlines()
  8 
  9 setup(
  10     name='parsl',
  11     version=VERSION,
  12     description='Simple data dependent workflows in Python',
  13     long_description='Simple parallel workflows system for Python',
  14     url='https://github.com/Parsl/parsl',
  15     author='The Parsl Team',
  16     author_email='parsl@googlegroups.com',
  17     license='Apache 2.0',
  18     download_url='https://github.com/Parsl/parsl/archive/{}.tar.gz'.format(VERSION),
  19     include_package_data=True,
  20     packages=find_packages(),
  21     install_requires=install_requires,
  22     scripts = ['parsl/executors/high_throughput/process_worker_pool.py',
  23                'parsl/executors/extreme_scale/mpi_worker_pool.py',
  24                'parsl/executors/low_latency/lowlatency_worker.py',
  25     ],
  26     extras_require = {
  27         'visualize': ['dash', 'dash-html-components', 'dash-core-components', 'pandas'],
  28         'db_logging' : ['CMRESHandler', 'psutil', 'sqlalchemy'],
  29         'aws' : ['boto3'],
  30         # Jetstream is deprecated since the interface has not been maintained.
  31         # 'jetstream' : ['python-novaclient'],
  32         'extreme_scale' : ['mpi4py'],
  33         'docs' : ['nbsphinx', 'sphinx_rtd_theme'],
  34         'google_cloud' : ['google-auth', 'google-api-python-client'],
  35         'gssapi' : ['python-gssapi'],
  36         'all' : ['CMRESHandler', 'psutil', 'sqlalchemy',
  37                  'dash', 'dash-html-components', 'dash-core-components', 'pandas',
  38                  'boto3',
  39                  'mpi4py',
  40                  'nbsphinx', 'sphinx_rtd_theme',
  41                  'google-auth', 'google-api-python-client',
  42                  'python-gssapi']
  43 
  44         },
  45     classifiers = [
  46         # Maturity
  47         'Development Status :: 3 - Alpha',
  48         # Intended audience
  49         'Intended Audience :: Developers',
  50         # Licence, must match with licence above
  51         'License :: OSI Approved :: Apache Software License',
  52         # Python versions supported
  53         'Programming Language :: Python :: 3.5',
  54         'Programming Language :: Python :: 3.6',
  55     ],
  56     keywords=['Workflows', 'Scientific computing'],
  57     entry_points={'console_scripts': ['parsl-visualize=parsl.monitoring.web_app.index:cli_run']}
  58 )
  59
  [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
  @@ -27,6 +27,7 @@
           'visualize': ['dash', 'dash-html-components', 'dash-core-components', 'pandas'],
           'db_logging' : ['CMRESHandler', 'psutil', 'sqlalchemy'],
           'aws' : ['boto3'],
  +        'kubernetes' : ['kubernetes'],
           # Jetstream is deprecated since the interface has not been maintained.
           # 'jetstream' : ['python-novaclient'],
           'extreme_scale' : ['mpi4py'],
  @@ -36,6 +37,7 @@
           'all' : ['CMRESHandler', 'psutil', 'sqlalchemy',
                    'dash', 'dash-html-components', 'dash-core-components', 'pandas',
                    'boto3',
  +                 'kubernetes',
                    'mpi4py',
                    'nbsphinx', 'sphinx_rtd_theme',
                    'google-auth', 'google-api-python-client',
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -27,6 +27,7 @@\n         'visualize': ['dash', 'dash-html-components', 'dash-core-components', 'pandas'],\n         'db_logging' : ['CMRESHandler', 'psutil', 'sqlalchemy'],\n         'aws' : ['boto3'],\n+        'kubernetes' : ['kubernetes'],\n         # Jetstream is deprecated since the interface has not been maintained.\n         # 'jetstream' : ['python-novaclient'],\n         'extreme_scale' : ['mpi4py'],\n@@ -36,6 +37,7 @@\n         'all' : ['CMRESHandler', 'psutil', 'sqlalchemy',\n                  'dash', 'dash-html-components', 'dash-core-components', 'pandas',\n                  'boto3',\n+                 'kubernetes',\n                  'mpi4py',\n                  'nbsphinx', 'sphinx_rtd_theme',\n                  'google-auth', 'google-api-python-client',\n", "issue": "Kubernetes option missing in setup.py\nThe option to install kubernetes as an optional extra is missing from our setup.py script.\r\n\r\nreported by Ben Galewsky.\n", "before_files": [{"content": "from setuptools import setup, find_packages\n\nwith open('parsl/version.py') as f:\n    exec(f.read())\n\nwith open('requirements.txt') as f:\n    install_requires = f.readlines()\n\nsetup(\n    name='parsl',\n    version=VERSION,\n    description='Simple data dependent workflows in Python',\n    long_description='Simple parallel workflows system for Python',\n    url='https://github.com/Parsl/parsl',\n    author='The Parsl Team',\n    author_email='parsl@googlegroups.com',\n    license='Apache 2.0',\n    download_url='https://github.com/Parsl/parsl/archive/{}.tar.gz'.format(VERSION),\n    include_package_data=True,\n    packages=find_packages(),\n    install_requires=install_requires,\n    scripts = ['parsl/executors/high_throughput/process_worker_pool.py',\n               'parsl/executors/extreme_scale/mpi_worker_pool.py',\n               'parsl/executors/low_latency/lowlatency_worker.py',\n    ],\n    extras_require = {\n        'visualize': ['dash', 'dash-html-components', 'dash-core-components', 'pandas'],\n        'db_logging' : ['CMRESHandler', 'psutil', 'sqlalchemy'],\n        'aws' : ['boto3'],\n        # Jetstream is deprecated since the interface has not been maintained.\n        # 'jetstream' : ['python-novaclient'],\n        'extreme_scale' : ['mpi4py'],\n        'docs' : ['nbsphinx', 'sphinx_rtd_theme'],\n        'google_cloud' : ['google-auth', 'google-api-python-client'],\n        'gssapi' : ['python-gssapi'],\n        'all' : ['CMRESHandler', 'psutil', 'sqlalchemy',\n                 'dash', 'dash-html-components', 'dash-core-components', 'pandas',\n                 'boto3',\n                 'mpi4py',\n                 'nbsphinx', 'sphinx_rtd_theme',\n                 'google-auth', 'google-api-python-client',\n                 'python-gssapi']\n\n        },\n    classifiers = [\n        # Maturity\n        'Development Status :: 3 - Alpha',\n        # Intended audience\n        'Intended Audience :: Developers',\n        # Licence, must match with licence above\n        'License :: OSI Approved :: Apache Software License',\n        # Python versions supported\n        'Programming Language :: Python :: 3.5',\n        'Programming Language :: Python :: 3.6',\n    ],\n    keywords=['Workflows', 'Scientific computing'],\n    entry_points={'console_scripts': ['parsl-visualize=parsl.monitoring.web_app.index:cli_run']}\n)\n", "path": "setup.py"}]}