List of best mirrors for IP address 18.117.192.205, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/p/petsc4py/python3-petsc4py-64-complex3.20_3.20.5-4_armhf.deb