Cached access token becomes None with maxconnections > 1 [?] #263

Summary

I updated to OfflineIMAP 8.0.3 yesterday. I successfully obtained and cached an access token, but I see Bearer None in concurrent attempts.

Setting maxconnections = 1 worked around the problem (it took me ages to figure this out, but still an issue as sync can be slow in a heavily structured inbox)

Environment

• OfflineIMAP: 8.0.3
• imaplib2: 3.06
• Python: 3.14.6
• OpenSSL: 3.6.3
• Installation: Homebrew on macOS

Perhaps I miss something obvious?