arbirk

### Describe the bug I ran `pip install -r requirements.txt` in the examples folder and got the following error: Collecting osqp>=0.6.2 Downloading osqp-0.6.3.tar.gz (228 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 228.4/228.4 KB 16.0 MB/s...