UsdEditContext ctor crashes with expired stage pointer

[asluk]

Description of Issue

Constructing a UsdEditContext with an expired stage will crash. It'd be great to make this facility more defensive in https://github.com/PixarAnimationStudios/OpenUSD/blob/dev/pxr/usd/usd/editContext.cpp

Steps to Reproduce

with Usd.EditContext(None):
print('hello')

[jesschimein]

Filed as internal issue #USD-8750

[asluk]

@jesschimein I'm happy to scratch out time to make a PR for this, if no one else is available in the next month or so. Thanks!

[jesschimein]

Hi Aaron! Thank you for the offer! I think we can cover this one; we've assigned this to someone internally and expect to be able to take a look within the next month.

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On Wed, Sep 27, 2023 at 10:19 PM Aaron Luk ***@***.***> wrote: @jesschimein <https://github.com/jesschimein> I'm happy to scratch out time to make a PR for this, if no one else is available in the next month or so. Thanks! — Reply to this email directly, view it on GitHub <#2721 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ARL2WZIBO2YDVXR2VAH2K6TX4UCFDANCNFSM6AAAAAA5IFDVOM> . You are receiving this because you were mentioned.Message ID: ***@***.***>