Pinentry: Permission Denied

[Jacob Adams]

I've been getting the occasional "Pinentry: Permission Denied" error
when generating new keys with GPGME and leaving pinentry to get the
password instead of passing it directly (passphrase=True with the python
bindings). Typically a reboot will fix it but it's rather odd.

I've attached a couple logs. If there's something else I should be
logging to catch this error, please let me know.

Any ideas on what might be causing this?
A reboot usually fixes it but it's quite annoying.

Thanks,
Jacob
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