python pip trouble installing from requirements.txt

Question

I\'ve had great luck with pip in the past, but working at installing some stuff in a venv on is giving me some headaches. I keep getting errors like No distributions at

Answer 1

Following solution has worked for me :

(my-virtualenv) 20:42 ~/MyPf (master)$ pip freeze > requirements.txt | 
(my-virtualenv) 20:43 ~/MyPf (master)$ pip install -r requirements.txt