When I was trying to install all requirements, I got this error:
Collecting sip==4.19.5 (from -r requirements.txt (line 7))
ERROR: Could not find a version that satisfies the requirement sip==4.19.5
(from -r requirements.txt (line 7)) (from versions: 5.0.0, 5.0.1)```
Then I replaced version of sip to new verion, and it's not works fine.
When I was trying to install all requirements, I got this error: