prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Adding pytest in an MPI environment
  There are some functions that run in a distributed environment that have not been fully verified, so some pytests will be run in MPI to verify them.
  
  https://github.com/pfnet/pytorch-pfn-extras/blob/266e8bde2c2a1a6aa3f8648d49e758975c8b436a/tests/pytorch_pfn_extras_tests/training_tests/extensions_tests/test_distributed_snapshot.py#L40-L46
  
  
  </issue>
  <code>
  [start of setup.py]
  1 import os
  2 
  3 import setuptools
  4 
  5 here = os.path.abspath(os.path.dirname(__file__))
  6 # Get __version__ variable
  7 exec(open(os.path.join(here, "pytorch_pfn_extras", "_version.py")).read())
  8 
  9 
  10 setuptools.setup(
  11     name="pytorch-pfn-extras",
  12     version=__version__,  # NOQA
  13     description="Supplementary components to accelerate research and "
  14     "development in PyTorch.",
  15     author="Preferred Networks, Inc.",
  16     license="MIT License",
  17     install_requires=["numpy", "packaging", "torch", "typing-extensions>=3.10"],
  18     extras_require={
  19         "test": [
  20             "pytest",
  21             "onnxruntime",
  22             "torchvision",
  23             "torchaudio",
  24             "pysen",
  25             "black==23.3.0",
  26             "flake8==4.0.1",
  27             "isort==5.10.1",
  28             "mypy==1.3.0",
  29             "types-PyYAML",
  30             "types-setuptools",
  31             "matplotlib",
  32             "tensorboard",
  33             "ipython",
  34             "ipywidgets",
  35             "pandas",
  36             "optuna",
  37             "onnx",
  38             "pytorch-ignite",
  39         ],
  40         "onnx": ["onnx"],
  41     },
  42     python_requires=">=3.6.0",
  43     packages=setuptools.find_packages(exclude=["tests", "tests.*"]),
  44     package_data={"pytorch_pfn_extras": ["py.typed"]},
  45 )
  46
  [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
  @@ -16,27 +16,6 @@
       license="MIT License",
       install_requires=["numpy", "packaging", "torch", "typing-extensions>=3.10"],
       extras_require={
  -        "test": [
  -            "pytest",
  -            "onnxruntime",
  -            "torchvision",
  -            "torchaudio",
  -            "pysen",
  -            "black==23.3.0",
  -            "flake8==4.0.1",
  -            "isort==5.10.1",
  -            "mypy==1.3.0",
  -            "types-PyYAML",
  -            "types-setuptools",
  -            "matplotlib",
  -            "tensorboard",
  -            "ipython",
  -            "ipywidgets",
  -            "pandas",
  -            "optuna",
  -            "onnx",
  -            "pytorch-ignite",
  -        ],
           "onnx": ["onnx"],
       },
       python_requires=">=3.6.0",
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -16,27 +16,6 @@\n     license=\"MIT License\",\n     install_requires=[\"numpy\", \"packaging\", \"torch\", \"typing-extensions>=3.10\"],\n     extras_require={\n-        \"test\": [\n-            \"pytest\",\n-            \"onnxruntime\",\n-            \"torchvision\",\n-            \"torchaudio\",\n-            \"pysen\",\n-            \"black==23.3.0\",\n-            \"flake8==4.0.1\",\n-            \"isort==5.10.1\",\n-            \"mypy==1.3.0\",\n-            \"types-PyYAML\",\n-            \"types-setuptools\",\n-            \"matplotlib\",\n-            \"tensorboard\",\n-            \"ipython\",\n-            \"ipywidgets\",\n-            \"pandas\",\n-            \"optuna\",\n-            \"onnx\",\n-            \"pytorch-ignite\",\n-        ],\n         \"onnx\": [\"onnx\"],\n     },\n     python_requires=\">=3.6.0\",\n", "issue": "Adding pytest in an MPI environment\nThere are some functions that run in a distributed environment that have not been fully verified, so some pytests will be run in MPI to verify them.\r\n\r\nhttps://github.com/pfnet/pytorch-pfn-extras/blob/266e8bde2c2a1a6aa3f8648d49e758975c8b436a/tests/pytorch_pfn_extras_tests/training_tests/extensions_tests/test_distributed_snapshot.py#L40-L46\r\n\n", "before_files": [{"content": "import os\n\nimport setuptools\n\nhere = os.path.abspath(os.path.dirname(__file__))\n# Get __version__ variable\nexec(open(os.path.join(here, \"pytorch_pfn_extras\", \"_version.py\")).read())\n\n\nsetuptools.setup(\n    name=\"pytorch-pfn-extras\",\n    version=__version__,  # NOQA\n    description=\"Supplementary components to accelerate research and \"\n    \"development in PyTorch.\",\n    author=\"Preferred Networks, Inc.\",\n    license=\"MIT License\",\n    install_requires=[\"numpy\", \"packaging\", \"torch\", \"typing-extensions>=3.10\"],\n    extras_require={\n        \"test\": [\n            \"pytest\",\n            \"onnxruntime\",\n            \"torchvision\",\n            \"torchaudio\",\n            \"pysen\",\n            \"black==23.3.0\",\n            \"flake8==4.0.1\",\n            \"isort==5.10.1\",\n            \"mypy==1.3.0\",\n            \"types-PyYAML\",\n            \"types-setuptools\",\n            \"matplotlib\",\n            \"tensorboard\",\n            \"ipython\",\n            \"ipywidgets\",\n            \"pandas\",\n            \"optuna\",\n            \"onnx\",\n            \"pytorch-ignite\",\n        ],\n        \"onnx\": [\"onnx\"],\n    },\n    python_requires=\">=3.6.0\",\n    packages=setuptools.find_packages(exclude=[\"tests\", \"tests.*\"]),\n    package_data={\"pytorch_pfn_extras\": [\"py.typed\"]},\n)\n", "path": "setup.py"}]}