Maybe Pihole blocking updates/version checks for flask app? Many of the calls seem to be 404 errors, they may be getting through when PiHole or DNS server is offline?
Any reason your not using 127.0.0.1 IP for local host?
Any reason your not using 127.0.0.1 IP for local host?
I haven't used PiHole but it looks like a practical use for one of my PIs currently collecting dust. Other than this issue how have You found it? Does it do a good job of blocking adds?
74.64.250.142 is listed on S.O.R.B.S, my tablet battery is dying so can't check them all.
But You might want to search the other IPs on