old_contents: from setuptools import find_packages, setup
  
  setup(
      name='blocks.contrib',
      namespace_packages=['blocks'],
      install_requires=['blocks'],
      packages=find_packages(exclude=['examples']),
      zip_safe=False)
  
new_contents: from setuptools import find_packages, setup
  
  setup(
      name='blocks.contrib',
      namespace_packages=['blocks'],
      install_requires=['git+git://github.com/bartvm/blocks.git#egg=blocks'],
      packages=find_packages(exclude=['examples']),
      zip_safe=False)
  
subject: Add Git link instead of name