old_contents: import os
  import versioneer
  from setuptools import find_packages, setup
  
  here = os.path.dirname(__file__)
  with open(os.path.join(here, "README.md"), encoding="utf-8") as f:
      long_description = f.read()
  
  
  install_requires = [
      "dask[array]",
      "zarr",
  ]
  doc_requires = [
      "sphinx",
      "sphinxcontrib-srclinks",
      "sphinx-pangeo-theme",
      "numpydoc",
      "IPython",
      "nbsphinx",
  ]
  
  extras_require = {
      "complete": ["dask[array]", "zarr", "pyyaml", "fsspec"],
      "docs": doc_requires,
  }
  extras_require["dev"] = extras_require["complete"] + [
      "pytest",
      "pytest-cov",
      "hypothesis",
      "flake8",
      "black",
      "codecov",
  ]
  
  setup(
      name="rechunker",
      description="A library for rechunking arrays.",
      url="https://github.com/pangeo-data/rechunker",
      author="Pangeo developers",
      author_email="ryan.abernathey@gmail.com",
      license="MIT",
      classifiers=[
          "Development Status :: 5 - Production/Stable",
          "Intended Audience :: Developers",
          "Topic :: Database",
          "Topic :: Scientific/Engineering",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
      packages=find_packages(exclude=["docs", "tests", "tests.*", "docs.*"]),
      install_requires=install_requires,
      extras_require=extras_require,
      python_requires=">=3.6",
      version=versioneer.get_version(),
      cmdclass=versioneer.get_cmdclass(),
      long_description=long_description,
      long_description_content_type="text/markdown",
  )
  
new_contents: import os
  import versioneer
  from setuptools import find_packages, setup
  
  here = os.path.dirname(__file__)
  with open(os.path.join(here, "README.md"), encoding="utf-8") as f:
      long_description = f.read()
  
  
  install_requires = [
      "dask[array]",
      "zarr",
  ]
  doc_requires = [
      "sphinx",
      "sphinxcontrib-srclinks",
      "sphinx-pangeo-theme",
      "numpydoc",
      "IPython",
      "nbsphinx",
  ]
  
  extras_require = {
      "complete": ["apache_beam", "dask[array]", "zarr", "pyyaml", "fsspec"],
      "docs": doc_requires,
  }
  extras_require["dev"] = extras_require["complete"] + [
      "pytest",
      "pytest-cov",
      "hypothesis",
      "flake8",
      "black",
      "codecov",
  ]
  
  setup(
      name="rechunker",
      description="A library for rechunking arrays.",
      url="https://github.com/pangeo-data/rechunker",
      author="Pangeo developers",
      author_email="ryan.abernathey@gmail.com",
      license="MIT",
      classifiers=[
          "Development Status :: 5 - Production/Stable",
          "Intended Audience :: Developers",
          "Topic :: Database",
          "Topic :: Scientific/Engineering",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
      packages=find_packages(exclude=["docs", "tests", "tests.*", "docs.*"]),
      install_requires=install_requires,
      extras_require=extras_require,
      python_requires=">=3.6",
      version=versioneer.get_version(),
      cmdclass=versioneer.get_cmdclass(),
      long_description=long_description,
      long_description_content_type="text/markdown",
  )
  
subject: Add Beam dependency to setup.py