[conf] systemD TimeoutStopSec => "infinity"

config/pyheatpump_fetch.service

@@ -9,5 +9,5 @@ Environment="LOGLEVEL=INFO"
 ExecStart=/usr/bin/env pyheatpump fetch -t D -t A -t I
 ExecStop=/usr/bin/env pyheatpump supervise --since
 KillMode=mixed
-TimeoutStopSec=30
+TimeoutStopSec="infinity"
 PrivateTmp=true