[issue44553] types.Union should support GC

[Pablo Galindo Salgado]

Pablo Galindo Salgado <pablogsal at gmail.com> added the comment:

This commits seems to have broken the tracerefs buildbots:

https://buildbot.python.org/all/#/builders/484/builds/322
https://buildbot.python.org/all/#/builders/678/builds/127

Please, take a look at soon as possible, otherwise per the buildbot policy we will need to revert the commits to avoid masking other issues.

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nosy: +pablogsal
resolution: fixed -> 
status: closed -> open

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