old_contents: import io
  import os
  import re
  
  from setuptools import find_packages, setup
  
  
  name = "google-events"
  description = "A collection of first party Google Cloud Platform event objects."
  version = "0.1.0"
  release_status = "Development Status :: 3 - Alpha"
  dependencies = []
  extras = {
      "dev": ["pylint", "pytest", "black"],
  }
  
  package_root = os.path.abspath(os.path.dirname(__file__))
  
  readme_filename = os.path.join(package_root, "README.md")
  with io.open(readme_filename, encoding="utf-8") as readme_file:
      readme = readme_file.read()
  
  packages = find_packages("src")
  
  setup(
      name=name,
      version=version,
      description=description,
      long_description=readme,
      long_description_content_type="text/markdown",
      url="https://github.com/googleapis/google-cloudevents",
      project_urls={
          "Source": "https://github.com/googleapis/google-cloudevents",
          "Documentation": "",
          "Issue Tracker": "https://github.com/googleapis/google-cloudevents/issues",
      },
      license="Apache License 2.0",
      author="Google LLC",
      author_email="googleapis-packages@oogle.com",
      classifiers=[
          release_status,
          "Environment :: Web Environment",
          "License :: OSI Approved :: Apache Software License",
          "Operating System :: OS Independent",
          "Topic :: Internet",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
      packages=packages,
      package_dir={"": "src"},
      python_requires=">=3.7",
      extras_require=extras,
  )
  
new_contents: import io
  import os
  import re
  
  from setuptools import find_packages, setup
  
  
  name = "google-events"
  description = "A collection of first party Google Cloud Platform event objects."
  version = "0.1.0"
  release_status = "Development Status :: 3 - Alpha"
  dependencies = []
  extras = {
      "dev": ["pylint", "pytest", "black"],
  }
  
  package_root = os.path.abspath(os.path.dirname(__file__))
  
  readme_filename = os.path.join(package_root, "README.md")
  with io.open(readme_filename, encoding="utf-8") as readme_file:
      readme = readme_file.read()
  
  packages = find_packages("src")
  
  setup(
      name=name,
      version=version,
      description=description,
      long_description=readme,
      long_description_content_type="text/markdown",
      url="https://github.com/googleapis/google-cloudevents",
      project_urls={
          "Source": "https://github.com/googleapis/google-cloudevents-python",
          "Documentation": "https://github.com/googleapis/google-cloudevents-python",
          "Issue Tracker": "https://github.com/googleapis/google-cloudevents-python/issues",
      },
      license="Apache License 2.0",
      author="Google LLC",
      author_email="googleapis-packages@oogle.com",
      classifiers=[
          release_status,
          "Environment :: Web Environment",
          "License :: OSI Approved :: Apache Software License",
          "Operating System :: OS Independent",
          "Topic :: Internet",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
      packages=packages,
      package_dir={"": "src"},
      python_requires=">=3.7",
      extras_require=extras,
  )
  
subject: add a missing field in setup.py (#25)