[Chess] fix dummy observation

sotetsuk / pgx

♟️ Vectorized RL game environments in JAX

http://sotets.uk/pgx/

Apache License 2.0

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Closed bkorpan closed 2 months ago

bkorpan commented 2 months ago

update dimensionality of dummy observation to match _observe

sotetsuk commented 2 months ago

Thank you four your PR! I'll merge it.