old_contents: #!/usr/bin/env python
  
  # Copyright Least Authority Enterprises.
  # See LICENSE for details.
  
  import setuptools
  
  _metadata = {}
  with open("src/txkube/_metadata.py") as f:
      exec(f.read(), _metadata)
  
  setuptools.setup(
      name="txkube",
      version=_metadata["version_string"],
      description="A Twisted-based Kubernetes client.",
      author="txkube Developers",
      url="https://github.com/leastauthority.com/txkube",
      license="MIT",
      package_dir={"": "src"},
      packages=setuptools.find_packages(where="src"),
      install_requires=[
          "twisted[tls]",
      ],
      extras_require={
          "dev": [
              "treq",
          ],
      },
  )
  
new_contents: #!/usr/bin/env python
  
  # Copyright Least Authority Enterprises.
  # See LICENSE for details.
  
  import setuptools
  
  _metadata = {}
  with open("src/txkube/_metadata.py") as f:
      exec(f.read(), _metadata)
  
  setuptools.setup(
      name="txkube",
      version=_metadata["version_string"],
      description="A Twisted-based Kubernetes client.",
      author="txkube Developers",
      url="https://github.com/leastauthority.com/txkube",
      license="MIT",
      package_dir={"": "src"},
      packages=setuptools.find_packages(where="src"),
      install_requires=[
          "incremental", "twisted[tls]",
      ],
      extras_require={
          "dev": [
              "treq",
          ],
      },
  )
  
subject: Add missing `incremental` dependency.