old_contents: import os
  from glob import glob
  from setuptools import find_namespace_packages, setup
  from setuptools.command.build_py import build_py as _build_py
  
  # From https://github.com/pypa/setuptools/pull/1574
  class build_py(_build_py):
      def find_package_modules(self, package, package_dir):
          modules = super().find_package_modules(package, package_dir)
          patterns = self._get_platform_patterns(
              self.exclude_package_data,
              package,
              package_dir,
          )
  
          excluded_module_files = []
          for pattern in patterns:
              excluded_module_files.extend(glob(pattern))
  
          for f in excluded_module_files:
              for module in modules:
                  if module[2] == f:
                      modules.remove(module)
          return modules
  
  with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as readme:
      README = readme.read()
  
  os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
  
  setup(
      name='fiduswriter-books',
      version='3.10-dev',
      packages=find_namespace_packages(),
      exclude_package_data={
          "": ["configuration.py", "django-admin.py", "build/*"]
      },
      include_package_data=True,
      license='AGPL License',
      description=(
          'A Fidus Writer plugin to allow creation of books '
          'and article collections'
      ),
      long_description=README,
      url='https://www.github.org/fiduswriter/fiduswriter-books',
      author='Johannes Wilm',
      author_email='johannes@fiduswriter.org',
      classifiers=[
          'Environment :: Web Environment',
          'Framework :: Django',
          'Framework :: Django :: 3.1',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: GNU Affero General Public License v3',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Internet :: WWW/HTTP',
          'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
      ],
      cmdclass={'build_py': build_py}
  )
  
new_contents: import os
  from glob import glob
  from setuptools import find_namespace_packages, setup
  from setuptools.command.build_py import build_py as _build_py
  
  # From https://github.com/pypa/setuptools/pull/1574
  class build_py(_build_py):
      def find_package_modules(self, package, package_dir):
          modules = super().find_package_modules(package, package_dir)
          patterns = self._get_platform_patterns(
              self.exclude_package_data,
              package,
              package_dir,
          )
  
          excluded_module_files = []
          for pattern in patterns:
              excluded_module_files.extend(glob(pattern))
  
          for f in excluded_module_files:
              for module in modules:
                  if module[2] == f:
                      modules.remove(module)
          return modules
  
  with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as readme:
      README = readme.read()
  
  os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
  
  setup(
      name='fiduswriter-books',
      version='3.10.dev1',
      packages=find_namespace_packages(),
      exclude_package_data={
          "": ["configuration.py", "django-admin.py", "build/*"]
      },
      include_package_data=True,
      license='AGPL License',
      description=(
          'A Fidus Writer plugin to allow creation of books '
          'and article collections'
      ),
      long_description=README,
      url='https://www.github.org/fiduswriter/fiduswriter-books',
      author='Johannes Wilm',
      author_email='johannes@fiduswriter.org',
      classifiers=[
          'Environment :: Web Environment',
          'Framework :: Django',
          'Framework :: Django :: 3.1',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: GNU Affero General Public License v3',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Internet :: WWW/HTTP',
          'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
      ],
      cmdclass={'build_py': build_py}
  )
  
subject: normalize version number