Add code formatting with black

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+select = F,W,E,I,B,B9
+ignore = W503,E203,B950
+max-line-length = 88

noxfile.py

@@ -1,26 +1,29 @@
 import nox
 
-LOCATIONS = ('src/', 'tests/', 'noxfile.py', 'setup.py')
+LOCATIONS = ("src/", "tests/", "noxfile.py", "setup.py")
 
 
 @nox.session
 def lint(session):
-    session.install('flake8')
-    session.install('flake8-bugbear')
-    session.install('flake8-isort')
+    session.install("flake8")
+    session.install("flake8-bugbear")
+    session.install("flake8-isort")
+    session.install("black==24.3.0")
 
     args = session.posargs or LOCATIONS
-    session.run('flake8', *args)
+    session.run("flake8", *args)
+    session.run("black", "--check", "--diff", *args)
 
 
 @nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"])
 def tests(session):
     session.install(
-        'torch==2.2.1',
-        'torchvision',
-        '--index-url', 'https://download.pytorch.org/whl/cpu'
+        "torch==2.2.1",
+        "torchvision",
+        "--index-url",
+        "https://download.pytorch.org/whl/cpu",
     )
-    session.install('.')
-    session.install('pytest')
-    session.install('pytest-mock')
-    session.run('pytest', *session.posargs)
+    session.install(".")
+    session.install("pytest")
+    session.install("pytest-mock")
+    session.run("pytest", *session.posargs)

pyproject.toml

@@ -0,0 +1,7 @@
+[tool.black]
+target-version = ["py311"]
+
+[tool.isort]
+profile = "black"
+line_length = 88
+multi_line_output = 3

setup.py

@@ -5,51 +5,51 @@
 
 def read(rel_path):
     base_path = os.path.abspath(os.path.dirname(__file__))
-    with open(os.path.join(base_path, rel_path), 'r') as f:
+    with open(os.path.join(base_path, rel_path), "r") as f:
         return f.read()
 
 
 def get_version(rel_path):
     for line in read(rel_path).splitlines():
-        if line.startswith('__version__'):
+        if line.startswith("__version__"):
             # __version__ = "0.9"
             delim = '"' if '"' in line else "'"
             return line.split(delim)[1]
 
-    raise RuntimeError('Unable to find version string.')
+    raise RuntimeError("Unable to find version string.")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     setuptools.setup(
-        name='pytorch-fid',
-        version=get_version(os.path.join('src', 'pytorch_fid', '__init__.py')),
-        author='Max Seitzer',
-        description=('Package for calculating Frechet Inception Distance (FID)'
-                     ' using PyTorch'),
-        long_description=read('README.md'),
-        long_description_content_type='text/markdown',
-        url='https://github.com/mseitzer/pytorch-fid',
-        package_dir={'': 'src'},
-        packages=setuptools.find_packages(where='src'),
+        name="pytorch-fid",
+        version=get_version(os.path.join("src", "pytorch_fid", "__init__.py")),
+        author="Max Seitzer",
+        description=(
+            "Package for calculating Frechet Inception Distance (FID)" " using PyTorch"
+        ),
+        long_description=read("README.md"),
+        long_description_content_type="text/markdown",
+        url="https://github.com/mseitzer/pytorch-fid",
+        package_dir={"": "src"},
+        packages=setuptools.find_packages(where="src"),
         classifiers=[
-            'Programming Language :: Python :: 3',
-            'License :: OSI Approved :: Apache Software License',
+            "Programming Language :: Python :: 3",
+            "License :: OSI Approved :: Apache Software License",
         ],
-        python_requires='>=3.5',
+        python_requires=">=3.5",
         entry_points={
-            'console_scripts': [
-                'pytorch-fid = pytorch_fid.fid_score:main',
+            "console_scripts": [
+                "pytorch-fid = pytorch_fid.fid_score:main",
             ],
         },
         install_requires=[
-            'numpy',
-            'pillow',
-            'scipy',
-            'torch>=1.0.1',
-            'torchvision>=0.2.2'
+            "numpy",
+            "pillow",
+            "scipy",
+            "torch>=1.0.1",
+            "torchvision>=0.2.2",
         ],
-        extras_require={'dev': ['flake8',
-                                'flake8-bugbear',
-                                'flake8-isort',
-                                'nox']},
+        extras_require={
+            "dev": ["flake8", "flake8-bugbear", "flake8-isort", "black==24.3.0", "nox"]
+        },
     )

src/pytorch_fid/__init__.py

@@ -1 +1 @@
-__version__ = '0.3.0'
+__version__ = "0.3.0"