prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  CoreOS on Google Compute Engine
  Could you add Compute Engine to contrib?
  
  http://googlecloudplatform.blogspot.cz/2014/05/official-coreos-images-are-now-available-on-google-compute-engine.html?m=1
  
  
  </issue>
  <code>
  [start of client/setup.py]
  1 #!/usr/bin/env python
  2 
  3 """Install the Deis command-line client."""
  4 
  5 
  6 try:
  7     from setuptools import setup
  8     USE_SETUPTOOLS = True
  9 except ImportError:
  10     from distutils.core import setup
  11     USE_SETUPTOOLS = False
  12 
  13 try:
  14     LONG_DESCRIPTION = open('README.rst').read()
  15 except IOError:
  16     LONG_DESCRIPTION = 'Deis command-line client'
  17 
  18 try:
  19     APACHE_LICENSE = open('LICENSE').read()
  20 except IOError:
  21     APACHE_LICENSE = 'See http://www.apache.org/licenses/LICENSE-2.0'
  22 
  23 KWARGS = {}
  24 if USE_SETUPTOOLS:
  25     KWARGS = {'entry_points': {'console_scripts': ['deis = deis:main']}}
  26 else:
  27     KWARGS = {'scripts': ['deis']}
  28 
  29 
  30 setup(name='deis',
  31       version='0.11.0',
  32       license=APACHE_LICENSE,
  33       description='Command-line Client for Deis, the open PaaS',
  34       author='OpDemand',
  35       author_email='info@opdemand.com',
  36       url='https://github.com/deis/deis',
  37       keywords=[
  38           'opdemand', 'deis', 'paas', 'cloud', 'chef', 'docker', 'heroku',
  39           'aws', 'ec2', 'rackspace', 'digitalocean'
  40       ],
  41       classifiers=[
  42           'Development Status :: 4 - Beta',
  43           'Environment :: Console',
  44           'Intended Audience :: Developers',
  45           'Intended Audience :: Information Technology',
  46           'Intended Audience :: System Administrators',
  47           'License :: OSI Approved :: Apache Software License',
  48           'Operating System :: OS Independent',
  49           'Programming Language :: Python',
  50           'Programming Language :: Python :: 2.7',
  51           'Topic :: Internet',
  52           'Topic :: System :: Systems Administration',
  53       ],
  54       py_modules=['deis'],
  55       data_files=[
  56           ('.', ['README.rst']),
  57       ],
  58       long_description=LONG_DESCRIPTION,
  59       install_requires=[
  60           'docopt==0.6.1', 'python-dateutil==2.2',
  61           'PyYAML==3.10', 'requests==2.2.1', 'urllib3==1.8.2'
  62       ],
  63       zip_safe=True,
  64       **KWARGS)
  65
  [end of client/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/client/setup.py b/client/setup.py
  --- a/client/setup.py
  +++ b/client/setup.py
  @@ -36,7 +36,7 @@
         url='https://github.com/deis/deis',
         keywords=[
             'opdemand', 'deis', 'paas', 'cloud', 'chef', 'docker', 'heroku',
  -          'aws', 'ec2', 'rackspace', 'digitalocean'
  +          'aws', 'ec2', 'rackspace', 'digitalocean', 'gce'
         ],
         classifiers=[
             'Development Status :: 4 - Beta',
  
verification_info: {"golden_diff": "diff --git a/client/setup.py b/client/setup.py\n--- a/client/setup.py\n+++ b/client/setup.py\n@@ -36,7 +36,7 @@\n       url='https://github.com/deis/deis',\n       keywords=[\n           'opdemand', 'deis', 'paas', 'cloud', 'chef', 'docker', 'heroku',\n-          'aws', 'ec2', 'rackspace', 'digitalocean'\n+          'aws', 'ec2', 'rackspace', 'digitalocean', 'gce'\n       ],\n       classifiers=[\n           'Development Status :: 4 - Beta',\n", "issue": "CoreOS on Google Compute Engine\nCould you add Compute Engine to contrib?\n\nhttp://googlecloudplatform.blogspot.cz/2014/05/official-coreos-images-are-now-available-on-google-compute-engine.html?m=1\n\n", "before_files": [{"content": "#!/usr/bin/env python\n\n\"\"\"Install the Deis command-line client.\"\"\"\n\n\ntry:\n    from setuptools import setup\n    USE_SETUPTOOLS = True\nexcept ImportError:\n    from distutils.core import setup\n    USE_SETUPTOOLS = False\n\ntry:\n    LONG_DESCRIPTION = open('README.rst').read()\nexcept IOError:\n    LONG_DESCRIPTION = 'Deis command-line client'\n\ntry:\n    APACHE_LICENSE = open('LICENSE').read()\nexcept IOError:\n    APACHE_LICENSE = 'See http://www.apache.org/licenses/LICENSE-2.0'\n\nKWARGS = {}\nif USE_SETUPTOOLS:\n    KWARGS = {'entry_points': {'console_scripts': ['deis = deis:main']}}\nelse:\n    KWARGS = {'scripts': ['deis']}\n\n\nsetup(name='deis',\n      version='0.11.0',\n      license=APACHE_LICENSE,\n      description='Command-line Client for Deis, the open PaaS',\n      author='OpDemand',\n      author_email='info@opdemand.com',\n      url='https://github.com/deis/deis',\n      keywords=[\n          'opdemand', 'deis', 'paas', 'cloud', 'chef', 'docker', 'heroku',\n          'aws', 'ec2', 'rackspace', 'digitalocean'\n      ],\n      classifiers=[\n          'Development Status :: 4 - Beta',\n          'Environment :: Console',\n          'Intended Audience :: Developers',\n          'Intended Audience :: Information Technology',\n          'Intended Audience :: System Administrators',\n          'License :: OSI Approved :: Apache Software License',\n          'Operating System :: OS Independent',\n          'Programming Language :: Python',\n          'Programming Language :: Python :: 2.7',\n          'Topic :: Internet',\n          'Topic :: System :: Systems Administration',\n      ],\n      py_modules=['deis'],\n      data_files=[\n          ('.', ['README.rst']),\n      ],\n      long_description=LONG_DESCRIPTION,\n      install_requires=[\n          'docopt==0.6.1', 'python-dateutil==2.2',\n          'PyYAML==3.10', 'requests==2.2.1', 'urllib3==1.8.2'\n      ],\n      zip_safe=True,\n      **KWARGS)\n", "path": "client/setup.py"}]}