pyconfig.h missing during “pip install cryptography”

Question

I wanna set up scrapy cluster follow this link scrapy-cluster,Everything is ok before I run this command:

pip install -r requirements.txt

T

Answer 1

i use python 2 on ubuntu and got the same problem when installing cryptography. after i run this command

apt-get install python-dev libssl-dev libffi-dev

then it works.