Bug#1118038: lmfit-py: tests fail: type int64 is not JSON serializable

Drew Parsons dparsons at emerall.com
Sat Nov 1 20:34:30 GMT 2025


On 2025-11-01 20:09, Santiago Vila wrote:
> tags 1118038 ftbfs
> thanks
> 
> Hi. I've checked and the package also FTBFS, with the same error,
> so I'm tagging this bug as "ftbfs".
> 
>> Is it the combination of scipy 1.16 with numpy 2.3 that is triggering 
>> the lmfit-py failure?
> 
> Good question. I'm going to use debbisect for that and will tell you 
> what I find.

Thanks Santiago.

> Note: The tracker page says this:
> 
> A new upstream version is available: 1.3.4
> 
> Would upgrading to such version be an option to address this issue?
> 
> BTW: It seems that I did the last three uploads for this package,
> but that's more like an accident. In general, I prefer if you or any
> of the more experienced team members would care about "upgrade to new
> upstream"-type uploads, mainly because I've never done that.

It's possible the new version might help, though I haven't tested it.

For this particular package I won't rush to make uploads myself since 
I've previously found upstream to be hostile,
https://github.com/orgs/lmfit/discussions/891



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