old_contents: import os
  from setuptools import setup, find_packages
  import feedback_form as app
  
  
  def read(fname):
      try:
          return open(os.path.join(os.path.dirname(__file__), fname)).read()
      except IOError:
          return ''
  
  
  setup(
      name='django-feedback-form',
      version=app.__version__,
      description=read('DESCRIPTION'),
      long_description=read('README.rst'),
      license='The MIT License',
      platforms=['OS Independent'],
      keywords='django, feedback, form, contact',
      author='Tobias Lorenz',
      author_email='tobias.lorenz@bitmazk.com',
      url='https://github.com/bitmazk/django-feedback-form',
      packages=find_packages(),
      include_package_data=True,
      install_requires=[
          'django',
          'django-libs',
      ],
  )
  
new_contents: import os
  from setuptools import setup, find_packages
  import feedback_form as app
  
  
  def read(fname):
      try:
          return open(os.path.join(os.path.dirname(__file__), fname)).read()
      except IOError:
          return ''
  
  
  setup(
      name='django-feedback-form',
      version=app.__version__,
      description=read('DESCRIPTION'),
      long_description=read('README.rst'),
      license='The MIT License',
      platforms=['OS Independent'],
      keywords='django, feedback, form, contact',
      author='Tobias Lorenz',
      author_email='tobias.lorenz@bitmazk.com',
      url='https://github.com/bitmazk/django-feedback-form',
      packages=find_packages(),
      include_package_data=True,
      install_requires=[
          'django',
          'django-libs',
          'django-mailer',
      ],
  )
  
subject: add missing dependency