prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Python bindings for Jastrow machines randomly failing
  I realized in #91 that once in a while the python tests for the `Jastrow` machines fail. This issue seems related to some memory problem, but I still don't understand if it is on the c++ side or python 
  
  </issue>
  <code>
  [start of setup.py]
  1 import os
  2 import re
  3 import sys
  4 import platform
  5 import subprocess
  6 
  7 from setuptools import setup, Extension
  8 from setuptools.command.build_ext import build_ext
  9 from distutils.version import LooseVersion
  10 
  11 
  12 class CMakeExtension(Extension):
  13     def __init__(self, name, sourcedir=''):
  14         Extension.__init__(self, name, sources=[])
  15         self.sourcedir = os.path.abspath(sourcedir)
  16 
  17 
  18 class CMakeBuild(build_ext):
  19     def run(self):
  20         try:
  21             out = subprocess.check_output(['cmake', '--version'])
  22         except OSError:
  23             raise RuntimeError("CMake must be installed to build the following extensions: " +
  24                                ", ".join(e.name for e in self.extensions))
  25 
  26         if platform.system() == "Windows":
  27             cmake_version = LooseVersion(re.search(r'version\s*([\d.]+)', out.decode()).group(1))
  28             if cmake_version < '3.1.0':
  29                 raise RuntimeError("CMake >= 3.1.0 is required on Windows")
  30 
  31         for ext in self.extensions:
  32             self.build_extension(ext)
  33 
  34     def build_extension(self, ext):
  35         extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
  36         cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
  37                       '-DPYTHON_EXECUTABLE=' + sys.executable]
  38 
  39         cfg = 'Debug' if self.debug else 'Release'
  40         build_args = ['--config', cfg]
  41 
  42         if platform.system() == "Windows":
  43             cmake_args += ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(cfg.upper(), extdir)]
  44             if sys.maxsize > 2**32:
  45                 cmake_args += ['-A', 'x64']
  46             build_args += ['--', '/m']
  47         else:
  48             cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]
  49             build_args += ['--', '-j2']
  50 
  51         env = os.environ.copy()
  52         env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(env.get('CXXFLAGS', ''),
  53                                                               self.distribution.get_version())
  54         if not os.path.exists(self.build_temp):
  55             os.makedirs(self.build_temp)
  56         subprocess.check_call(['cmake', ext.sourcedir] + cmake_args, cwd=self.build_temp, env=env)
  57         subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
  58 
  59 setup(
  60     name='netket',
  61     version='0.1',
  62     author='Giuseppe Carleo et al.',
  63     description='NetKet',
  64     url='http://github.com/netket/netket',
  65     author_email='netket@netket.org',
  66     license='Apache',
  67     ext_modules=[CMakeExtension('netket')],
  68     cmdclass=dict(build_ext=CMakeBuild),
  69     zip_safe=False,
  70 )
  71
  [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
  @@ -58,7 +58,7 @@
   
   setup(
       name='netket',
  -    version='0.1',
  +    version='2.0',
       author='Giuseppe Carleo et al.',
       description='NetKet',
       url='http://github.com/netket/netket',
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -58,7 +58,7 @@\n \n setup(\n     name='netket',\n-    version='0.1',\n+    version='2.0',\n     author='Giuseppe Carleo et al.',\n     description='NetKet',\n     url='http://github.com/netket/netket',\n", "issue": "Python bindings for Jastrow machines randomly failing\nI realized in #91 that once in a while the python tests for the `Jastrow` machines fail. This issue seems related to some memory problem, but I still don't understand if it is on the c++ side or python \n", "before_files": [{"content": "import os\nimport re\nimport sys\nimport platform\nimport subprocess\n\nfrom setuptools import setup, Extension\nfrom setuptools.command.build_ext import build_ext\nfrom distutils.version import LooseVersion\n\n\nclass CMakeExtension(Extension):\n    def __init__(self, name, sourcedir=''):\n        Extension.__init__(self, name, sources=[])\n        self.sourcedir = os.path.abspath(sourcedir)\n\n\nclass CMakeBuild(build_ext):\n    def run(self):\n        try:\n            out = subprocess.check_output(['cmake', '--version'])\n        except OSError:\n            raise RuntimeError(\"CMake must be installed to build the following extensions: \" +\n                               \", \".join(e.name for e in self.extensions))\n\n        if platform.system() == \"Windows\":\n            cmake_version = LooseVersion(re.search(r'version\\s*([\\d.]+)', out.decode()).group(1))\n            if cmake_version < '3.1.0':\n                raise RuntimeError(\"CMake >= 3.1.0 is required on Windows\")\n\n        for ext in self.extensions:\n            self.build_extension(ext)\n\n    def build_extension(self, ext):\n        extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))\n        cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,\n                      '-DPYTHON_EXECUTABLE=' + sys.executable]\n\n        cfg = 'Debug' if self.debug else 'Release'\n        build_args = ['--config', cfg]\n\n        if platform.system() == \"Windows\":\n            cmake_args += ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(cfg.upper(), extdir)]\n            if sys.maxsize > 2**32:\n                cmake_args += ['-A', 'x64']\n            build_args += ['--', '/m']\n        else:\n            cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]\n            build_args += ['--', '-j2']\n\n        env = os.environ.copy()\n        env['CXXFLAGS'] = '{} -DVERSION_INFO=\\\\\"{}\\\\\"'.format(env.get('CXXFLAGS', ''),\n                                                              self.distribution.get_version())\n        if not os.path.exists(self.build_temp):\n            os.makedirs(self.build_temp)\n        subprocess.check_call(['cmake', ext.sourcedir] + cmake_args, cwd=self.build_temp, env=env)\n        subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)\n\nsetup(\n    name='netket',\n    version='0.1',\n    author='Giuseppe Carleo et al.',\n    description='NetKet',\n    url='http://github.com/netket/netket',\n    author_email='netket@netket.org',\n    license='Apache',\n    ext_modules=[CMakeExtension('netket')],\n    cmdclass=dict(build_ext=CMakeBuild),\n    zip_safe=False,\n)\n", "path": "setup.py"}]}