Marshall Perrin

FYI - WebbPSF PR https://github.com/spacetelescope/webbpsf/pull/311 updates the behavior of the create psf grid function in WebbPSF to output models that are consistent with the normalization as expected by `photutils.GriddedPSFModel`. (i.e....

Thanks @Russell-Ryan. @shanosborne could you please take care of this? Thanks!

Good questions Shannon. I haven't thought this through in any detail yet and to be honest wasn't intending any significant change in functionality, just a bump in version number. It...

@shanosborne we should also come back and resolve this as well, in prep for 1.0

I'd lean towards making synphot a required dependency of webbpsf, but leaving it as an optional dependency for poppy. poppy is much more general and has plenty of use cases...

@Russell-Ryan can you provide more details on what error messages you encountered regarding synphot? I'm a little surprised, since I see that my local machine has synphot 1.0.1 and yet...

@Russell-Ryan posted in email: So I ran Charles notebook with the version of the code and reference data pointed to me by Justin. Specifically, it was webbpsf version: 0.9.2.dev286+gc75a455 poppy...

@Russell-Ryan First, as I suggested some weeks ago the fix for this is straightforward and obvious enough: making synphot a required rather than optional dependency for webbpsf. That said I'm...

In any case, now that the mystery is cleared up, what shall we do about it, if anything? On the one hand I assert that you could install dev poppy...

Hi Russell, my assertion is that if you also install the dev version of poppy, this error will go away. It results from the inconsistent versions of poppy and webbpsf...