valset: errors with "VerifyValidators" enabled on startup block 0

[alpe]

1:53PM ERR validator set update failed cause="sudo: Generic error: Querier system error: Unsupported query type: unknown poe query variant: execute wasm contract failed" contract-address=tgrade1pvrwmjuusn9wh34j7y520g8gumuy9xtl3gvprlljfdpwju3x7ucsfh28av module=x/poe position=1

The following query failed

1:53PM INF privileged contract callback module=x/poe type=validator_set_updater
1:53PM INF tgrade1pvrwmjuusn9wh34j7y520g8gumuy9xtl3gvprlljfdpwju3x7ucsfh28av > +++ failed query err="unsupported request: unknown poe query variant" query={"custom":{"validator_votes":{}}}

[alpe]

The root cause to this is the validator_votes query not implemented in tgrade. I have opened confio/tgrade#388