old_contents: """
  idauth
  ==============
  
  """
  
  from setuptools import setup, find_packages
  
  setup(
      name='idauth',
      version='0.0.0',
      url='https://github.com/blockstack/blockchain-id-auth',
      license='MIT',
      author='Blockstack Developers',
      author_email='hello@onename.com',
      description=("Blockchain ID Auth Library"),
      keywords='bitcoin btc litecoin namecoin dogecoin cryptocurrency',
      packages=find_packages(),
      zip_safe=False,
      install_requires=[
          'cryptography==1.0.0',
          'pybitcoin==0.9.3',
          'PyJWT==1.4.0',
          'onename==0.2.0'
      ],
      classifiers=[
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Topic :: Internet',
          'Topic :: Security :: Cryptography',
          'Topic :: Software Development :: Libraries :: Python Modules',
      ],
  )
  
new_contents: """
  idauth
  ==============
  
  """
  
  from setuptools import setup, find_packages
  
  setup(
      name='idauth',
      version='0.0.0',
      url='https://github.com/blockstack/blockchain-id-auth',
      license='MIT',
      author='Blockstack Developers',
      author_email='hello@onename.com',
      description=("Blockchain ID Auth Library"),
      keywords='bitcoin btc litecoin namecoin dogecoin cryptocurrency',
      packages=find_packages(),
      zip_safe=False,
      install_requires=[
          'cryptography==1.0.0',
          'pybitcoin==0.9.3',
          'PyJWT==1.4.0',
          'onename==0.2.0',
          'bitmerchant==0.1.7'
      ],
      classifiers=[
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Topic :: Internet',
          'Topic :: Security :: Cryptography',
          'Topic :: Software Development :: Libraries :: Python Modules',
      ],
  )
  
subject: add bitmerchant to the list of installation requirements