old_contents: #!/usr/bin/env python
  import sys
  from distutils.core import setup
  
  setup(name='scrapy-proxies',
          version='0.3',
          description='Scrapy Proxies: random proxy middleware for Scrapy',
          author='Aivars Kalvans',
          author_email='aivars.kalvans@gmail.com',
          url='https://github.com/aivarsk/scrapy-proxies',
          packages=['scrapy_proxies'],
          )
  
new_contents: #!/usr/bin/env python
  import sys
  from distutils.core import setup
  
  setup(name='scrapy-proxies',
          version='0.4',
          description='Scrapy Proxies: random proxy middleware for Scrapy',
          author='Aivars Kalvans',
          author_email='aivars.kalvans@gmail.com',
          url='https://github.com/aivarsk/scrapy-proxies',
          packages=['scrapy_proxies'],
          )
  
subject: Raise version