old_contents: from setuptools import setup, find_packages
  
  setup(
      name='quimb',
      version='0.2.1',
      author='Johnnie Gray',
      license='MIT',
      packages=find_packages(exclude=['deps', 'tests*']),
      install_requires=[
          'numpy>=1.10',
          'scipy>=0.15',
          'numba>=0.22',
          'numexpr>=2.3',
          'psutil>=4.3.1',
          'cytoolz>=0.8.0',
          'tqdm',
      ],
      extras_require={
          'test': [
              'coverage',
              'pytest',
              'pytest-cov',
          ],
          'docs': [
              'sphinx',
              'sphinx_rtd_theme',
          ],
      },
      classifiers=[
          'Development Status :: 3 - Alpha',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ]
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name='quimb',
      version='0.2.1',
      author='Johnnie Gray',
      license='MIT',
      packages=find_packages(exclude=['deps', 'tests*']),
      install_requires=[
          'numpy>=1.10',
          'scipy>=0.15',
          'numba>=0.22',
          'numexpr>=2.3',
          'psutil>=4.3.1',
          'cytoolz>=0.8.0',
          'tqdm',
      ],
      extras_require={
          'test': [
              'coverage',
              'pytest',
              'pytest-cov',
          ],
          'docs': [
              'sphinx',
              'sphinx_rtd_theme',
          ],
          'advanced_solvers': [
              'slepc4py',
              'scalapy',
          ]
      },
      classifiers=[
          'Development Status :: 3 - Alpha',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ]
  )
  
subject: add advanced solvers to setup.py extras