Develop: '/var/www/html/soc/.'
Installing install_appengine.
Downloading http://googleappengine.googlecode.com/files/google_appengine_1.8.8.zip
While:
  Installing install_appengine.
Error: Error downloading extends for URL http://googleappengine.googlecode.com/files/google_appengine_1.8.8.zip: [Errno url error] invalid proxy for http: 'proxy.iiit.ac.in:8080'