Bug in python 3.12.12 river.io.usgs

[browniea]

I got an error with the data type input "Instantaneous" while using python 3.12.12 but it worked on python 3.10

[browniea]

@akeeste I can add plan to add this fix to the PR #432 or #428. Since #428 is ready to go #432 might be a better fit

[akeeste]

@browniea let's add this to #432