old_contents: from setuptools import setup
  
  DESCRIPTION = 'An implementation of chunked, compressed, ' \
                'N-dimensional arrays for Python.'
  
  with open('README.md') as f:
      LONG_DESCRIPTION = f.read()
  
  dependencies = [
      'asciitree',
      'numpy>=1.7',
      'fasteners',
      'numcodecs>=0.6.4',
  ]
  
  setup(
      name='zarr',
      description=DESCRIPTION,
      long_description=LONG_DESCRIPTION,
      long_description_content_type='text/markdown',
      use_scm_version={
          'version_scheme': 'guess-next-dev',
          'local_scheme': 'dirty-tag',
          'write_to': 'zarr/version.py',
      },
      setup_requires=[
          'setuptools>=38.6.0',
          'setuptools-scm>1.5.4',
      ],
      extras_require={
          'jupyter': [
              'notebook',
              'ipytree',
          ],
      },
      python_requires='>=3.6, <4',
      install_requires=dependencies,
      package_dir={'': '.'},
      packages=['zarr', 'zarr.tests'],
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'Intended Audience :: Information Technology',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Operating System :: Unix',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
      ],
      maintainer='Alistair Miles',
      maintainer_email='alimanfoo@googlemail.com',
      url='https://github.com/zarr-developers/zarr-python',
      license='MIT',
  )
  
new_contents: from setuptools import setup
  
  DESCRIPTION = 'An implementation of chunked, compressed, ' \
                'N-dimensional arrays for Python.'
  
  with open('README.md') as f:
      LONG_DESCRIPTION = f.read()
  
  dependencies = [
      'asciitree',
      'numpy>=1.7',
      'fasteners',
      'numcodecs>=0.6.4',
  ]
  
  setup(
      name='zarr',
      description=DESCRIPTION,
      long_description=LONG_DESCRIPTION,
      long_description_content_type='text/markdown',
      use_scm_version={
          'version_scheme': 'guess-next-dev',
          'local_scheme': 'dirty-tag',
          'write_to': 'zarr/version.py',
      },
      setup_requires=[
          'setuptools>=38.6.0',
          'setuptools-scm>1.5.4',
      ],
      extras_require={
          'jupyter': [
              'notebook',
              'ipytree',
          ],
      },
      python_requires='>=3.6, <4',
      install_requires=dependencies,
      package_dir={'': '.'},
      packages=['zarr', 'zarr.tests'],
      classifiers=[
          'Development Status :: 6 - Mature',
          'Intended Audience :: Developers',
          'Intended Audience :: Information Technology',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Operating System :: Unix',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Programming Language :: Python :: 3.9',
      ],
      maintainer='Alistair Miles',
      maintainer_email='alimanfoo@googlemail.com',
      url='https://github.com/zarr-developers/zarr-python',
      license='MIT',
  )
  
subject: Update Python classifiers (close #731) (#733)