Address the review.

3 jobs for trust in 36 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #12820
run-appdata

00:00:05

failed #12819
run-tests

00:00:30

 
  Build
skipped #12821
run-build
 
Name Stage Failure
failed
run-tests Test
    Can't uninstall 'pylint'. No files were found to uninstall.
Successfully installed astroid-2.2.5 pylint-2.3.1
$ mypy gajim
gajim/conversation_textview.py:936: error: Function is missing a return type annotation
gajim/conversation_textview.py:936: error: Function is missing a type annotation for one or more arguments
gajim/conversation_textview.py:1028: error: Need type comment for 'text_tags' (hint: "text_tags = ... # type: List[<type>]")
gajim/conversation_textview.py:1142: error: Function is missing a type annotation for one or more arguments
gajim/conversation_textview.py:1159: error: Invalid index type "object" for "Dict[Trust, Tuple[str, str, str]]"; expected type "Trust"
ERROR: Job failed: exit status 1