Fix nick changes

Due to change again once slixmpp gets a proper API for this
8 jobs for main in 5 minutes and 16 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
failed #30800
allowed to fail
mypyc

00:00:23

failed #30798
allowed to fail
pylint-latest

00:02:50

failed #30799
allowed to fail
pylint-plugins

00:02:26

passed #30797
security-check

00:00:37

 
  Test
passed #30801
pytest-3.7

00:00:41

passed #30802
pytest-latest

00:00:54

 
  Build
passed #30803
www
build-doc

00:01:22

passed #30804
build-ubuntu

00:00:19

 
Name Stage Failure
failed
pylint-latest Lint
poezio/ui/types.py:103:27: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:104:23: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:105:29: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:108:23: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:109:29: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:110:22: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:112:30: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
poezio/ui/types.py:114:22: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
ERROR: Job failed: exit code 1
failed
mypyc Lint
    from mypyc.build import mypycify
File "/usr/local/lib/python3.9/site-packages/mypyc/build.py", line 43, in <module>
from mypyc.codegen import emitmodule
File "/usr/local/lib/python3.9/site-packages/mypyc/codegen/emitmodule.py", line 41, in <module>
from mypyc.transform.uninit import insert_uninit_checks
File "/usr/local/lib/python3.9/site-packages/mypyc/transform/uninit.py", line 5, in <module>
from mypyc.analysis.dataflow import (
ModuleNotFoundError: No module named 'mypyc.analysis'
ERROR: Job failed: exit code 1
failed
pylint-plugins Lint
Finished processing dependencies for poezio==0.13.1.dev70
$ pylint -E plugins
************* Module plugins.upload
plugins/upload.py:53:40: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
************* Module plugins.lastlog
plugins/lastlog.py:27:18: E1136: Value 'Optional' is unsubscriptable (unsubscriptable-object)
************* Module plugins.untrackme
plugins/untrackme.py:17:11: E1136: Value 'Union' is unsubscriptable (unsubscriptable-object)
ERROR: Job failed: exit code 1