Trouble when building python project using virtualenv on Sublime Text 2

Trouble when building python project using virtualenv on Sublime Text 2

References

Reference NO 1

http://stackoverflow.com/questions/15203593/trouble-when-building-python-project-using-virtualenv-on-sublime-text-2

Reference NO 2

http://stackoverflow.com/questions/16761553/project-path-substitutions-in-a-sublimetext2-build-system-for-python

Reference NO 3

http://sublimetext.userecho.com/topic/19667-run-python-script-in-a-virtual-environment-virtualenv/

Reference NO 4

https://www.sublimetext.com/forum/viewtopic.php?f=5&t=1699

Reference NO 5

http://opensourcehacker.com/2012/05/11/sublime-text-2-tips-for-python-and-web-developers/

Reference NO 6

http://www.slideshare.net/uranusjr/subime-textdjango

Reference NO 7

http://matthewphiong.com/sublime-codeintel-configuration-for-virtualenv

Reference NO 8

http://andrewbrookins.com/tech/run-django-unit-tests-in-a-sublime-text-2-build-system/