old_contents: import sys
  import time
  from setuptools import setup, find_packages
  
  if '--release' in sys.argv:
    IS_RELEASE = True
    sys.argv.remove('--release')
  else:
    # Build a nightly package by default.
    IS_RELEASE = False
  
  # Environment-specific dependencies.
  extras = {'jax': ['dm-haiku==0.0.3', 'optax==0.0.8']}
  
  
  # get the version from deepchem/__init__.py
  def _get_version():
    with open('deepchem/__init__.py') as fp:
      for line in fp:
        if line.startswith('__version__'):
          g = {}
          exec(line, g)
          base = g['__version__']
          if IS_RELEASE:
            return base
          else:
            # nightly version : .devYearMonthDayHourMinute
            if base.endswith('.dev') is False:
              # Force to add `.dev` if `--release` option isn't passed when building
              base += '.dev'
            return base + time.strftime("%Y%m%d%H%M%S")
  
      raise ValueError('`__version__` not defined in `deepchem/__init__.py`')
  
  
  setup(
      name='deepchem',
      version=_get_version(),
      url='https://github.com/deepchem/deepchem',
      maintainer='DeepChem contributors',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Developers',
          'Intended Audience :: Information Technology',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
      ],
      license='MIT',
      description='Deep learning models for drug discovery, \
          quantum chemistry, and the life sciences.',
      keywords=[
          'deepchem',
          'chemistry',
          'biology',
          'materials-science',
          'life-science',
          'drug-discovery',
      ],
      packages=find_packages(exclude=["*.tests"]),
      project_urls={
          'Documentation': 'https://deepchem.readthedocs.io/en/latest/',
          'Source': 'https://github.com/deepchem/deepchem',
      },
      install_requires=[
          'joblib',
          'numpy',
          'pandas',
          'scikit-learn',
          'scipy',
      ],
      extras_require=extras,
      python_requires='>=3.5')
  
new_contents: import sys
  import time
  from setuptools import setup, find_packages
  
  if '--release' in sys.argv:
    IS_RELEASE = True
    sys.argv.remove('--release')
  else:
    # Build a nightly package by default.
    IS_RELEASE = False
  
  
  # get the version from deepchem/__init__.py
  def _get_version():
    with open('deepchem/__init__.py') as fp:
      for line in fp:
        if line.startswith('__version__'):
          g = {}
          exec(line, g)
          base = g['__version__']
          if IS_RELEASE:
            return base
          else:
            # nightly version : .devYearMonthDayHourMinute
            if base.endswith('.dev') is False:
              # Force to add `.dev` if `--release` option isn't passed when building
              base += '.dev'
            return base + time.strftime("%Y%m%d%H%M%S")
  
      raise ValueError('`__version__` not defined in `deepchem/__init__.py`')
  
  
  setup(
      name='deepchem',
      version=_get_version(),
      url='https://github.com/deepchem/deepchem',
      maintainer='DeepChem contributors',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Developers',
          'Intended Audience :: Information Technology',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
      ],
      license='MIT',
      description='Deep learning models for drug discovery, \
          quantum chemistry, and the life sciences.',
      keywords=[
          'deepchem',
          'chemistry',
          'biology',
          'materials-science',
          'life-science',
          'drug-discovery',
      ],
      packages=find_packages(exclude=["*.tests"]),
      project_urls={
          'Documentation': 'https://deepchem.readthedocs.io/en/latest/',
          'Source': 'https://github.com/deepchem/deepchem',
      },
      install_requires=[
          'joblib',
          'numpy',
          'pandas',
          'scikit-learn',
          'scipy',
      ],
      python_requires='>=3.5')
  
subject: test commit