You can add system variable by (by doing this you can use easy_install without specifying path) 1 Clicking on Properties of My Computer 2 Then chose Advanced...
The line of code that throws Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl on Linux, should inform the user as to remedy - a pre-requisite, rather than leaving them to test their google skills.
Try the xlrd library. From what I can see from your comment, something like the snippet below might do the trick. I'm assuming here that...
nltk tweettokenizer, Natural Language Toolkit
We are writing Python code using Vim, and every time we want to run my code, we type this inside Vim