Installation of pysftp in debian 9 and Ubuntu
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