Add support for PmapSharding and other integer device index maps. #34
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Allows sharding device index maps to contain integer values, corresponding to axes along which the arrays should be stacked instead of concatenated. This is required to support showing arrays with PmapSharding, including those built using jax.device_put_sharded and jax.device_put_replicated. PiperOrigin-RevId: 671571309
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Add support for PmapSharding and other integer device index maps.
Allows sharding device index maps to contain integer values,
corresponding to axes along which the arrays should be stacked
instead of concatenated. This is required to support showing
arrays with PmapSharding, including those built using
jax.device_put_sharded and jax.device_put_replicated.