check-issue-labels: Fix configparser import.
check-issue-labels: Fix configparser import.

Commit ccf2792c1ccfb5907dc3f90ca5017d2928be5a74 (#7296) migrated this
incorrectly.

Signed-off-by: Anders Kaseorg <dfdb7392591db597bc41cf266a9c3bc12a2706e5@zulip.com>

timabbott/zulip,timabbott/zulip,rht/zulip,hackerkid/zulip,eeshangarg/zulip,brainwane/zulip,showell/zulip,punchagan/zulip,brainwane/zulip,timabbott/zulip,punchagan/zulip,andersk/zulip,andersk/zulip,showell/zulip,hackerkid/zulip,rht/zulip,brainwane/zulip,showell/zulip,timabbott/zulip,synicalsyntax/zulip,showell/zulip,rht/zulip,hackerkid/zulip,synicalsyntax/zulip,eeshangarg/zulip,synicalsyntax/zulip,kou/zulip,eeshangarg/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,hackerkid/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,zulip/zulip,andersk/zulip,rht/zulip,synicalsyntax/zulip,eeshangarg/zulip,punchagan/zulip,zulip/zulip,brainwane/zulip,punchagan/zulip,andersk/zulip,rht/zulip,brainwane/zulip,hackerkid/zulip,rht/zulip,punchagan/zulip,synicalsyntax/zulip,zulip/zulip,andersk/zulip,hackerkid/zulip,rht/zulip,kou/zulip,zulip/zulip,kou/zulip,zulip/zulip,kou/zulip,showell/zulip,eeshangarg/zulip,synicalsyntax/zulip,eeshangarg/zulip,brainwane/zulip,punchagan/zulip,timabbott/zulip,showell/zulip,punchagan/zulip,kou/zulip,zulip/zulip,brainwane/zulip,showell/zulip,timabbott/zulip,kou/zulip,andersk/zulip,hackerkid/zulip