README: add required dependency to rfc6555

Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Nicolas Sebrecht 2019-06-10 14:36:00 +02:00
parent 0d5496ba0a
commit c97fe498e6

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@ -101,12 +101,14 @@ Bugs, issues and contributions can be requested to both the mailing list or the
## Requirements & dependencies
* Python v2.7+
* Python v3.4+ ***[STALLED] (experimental: [see known issues](https://github.com/OfflineIMAP/offlineimap/issues?q=is%3Aissue+is%3Aopen+label%3APy3))***
* six (required)
* rfc6555 (required)
* imaplib2 >= 2.57 (optional)
* gssapi (optional), for Kerberos authentication
* portalocker (optional), if you need to run offlineimap in Cygwin for Windows
* Python v3.4+ ***[STALLED] (experimental: [see known issues](https://github.com/OfflineIMAP/offlineimap/issues?q=is%3Aissue+is%3Aopen+label%3APy3))***
## Documentation
All current and updated documentation is on the [community's website][website].