old_contents: from setuptools import setup, find_packages
  
  packages = find_packages()
  
  setup(
      name='PyscesToolbox',
      version='0.8.0',
      packages=packages,
      url='https://github.com/PySCeS/PyscesToolbox',
      license='',
      author='Carl Christensen',
      author_email='carldc@sun.ac.za',
      description='A set of metabolic model analysis tools for PySCeS.',
      install_requires=['IPython>=3.0.0',
                        'numpy',
                        'sympy',
                        'pysces',
                        'matplotlib',
                        'd3networkx_psctb',
                        'numpydoc'],
       dependency_links=['git+https://github.com/exe0cdc/ipython-d3networkx.git#egg=d3networkx_psctb-0.1'],
  )
  
new_contents: from setuptools import setup, find_packages
  
  packages = find_packages()
  
  setup(
      name='PyscesToolbox',
      version='0.8.0',
      packages=packages,
      url='https://github.com/PySCeS/PyscesToolbox',
      license='',
      author='Carl Christensen',
      author_email='carldc@sun.ac.za',
      description='A set of metabolic model analysis tools for PySCeS.',
      install_requires=['IPython>=3.0.0,<4.0.0',
                        'numpy',
                        'sympy',
                        'pysces',
                        'matplotlib',
                        'd3networkx_psctb',
                        'numpydoc'],
       dependency_links=['git+https://github.com/exe0cdc/ipython-d3networkx.git#egg=d3networkx_psctb-0.1'],
  )
  
subject: Enforce correct ipython version