Argument warmup_duration should be integer, but given 0.025

TypeError: Argument warmup_duration should be integer, but given 0.025

Start by reproducing the reported TypeError and search the tutorial code for the warmup_duration argument. Determine where the non-integer value is supplied and confirm the intended behavior before making a change; done means the tutorial runs past this error with an appropriate warmup_duration value.

索引モデルが issue の本文から書いたものです。