/metric/validators net showing any results

[iammortimer]

When running the /metric/validators command on a new evmosd based chain it's not showing any results. The logs show the following error:

panic: Int64() out of bound
goroutine 101 [running]:
github.com/cosmos/cosmos-sdk/types.Dec.RoundInt64(0xc0010da100, 0x0)
        /home/runner/go/pkg/mod/github.com/cosmos/cosmos-sdk@v0.42.4/types/decimal.go:554 +0xb3
main.ValidatorsHandler.func1.1(0x6, 0x0, 0x133b8e0)
        /home/runner/work/cosmos-exporter/cosmos-exporter/validators.go:155 +0x50
sort.quickSort_func(0xc0005cdf90, 0xc0010cd650, 0x0, 0x7, 0x6)
        /opt/hostedtoolcache/go/1.16.5/x64/src/sort/zfuncversion.go:154 +0x1b8
sort.Slice(0x1300460, 0xc000123a70, 0xc0005cdf90)
        /opt/hostedtoolcache/go/1.16.5/x64/src/sort/slice.go:20 +0xe8
main.ValidatorsHandler.func1(0xc000701404, 0xc00125c420, 0xc000db9180, 0xc000711ed8)
        /home/runner/work/cosmos-exporter/cosmos-exporter/validators.go:154 +0x3bd
created by main.ValidatorsHandler
        /home/runner/work/cosmos-exporter/cosmos-exporter/validators.go:129 +0x1336
cosmos-exporter.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
cosmos-exporter.service: Failed with result 'exit-code'.
cosmos-exporter.service: Service hold-off time over, scheduling restart.
cosmos-exporter.service: Scheduled restart job, restart counter is at 324.
Stopped Cosmos Exporter.```