Wait till the thread is killed before sending signals

2 jobs for master in 1 minute and 47 seconds (queued for 1 second)
Status Job ID Name Coverage
  Check
failed #308586
flake8

00:01:47

 
  Test
skipped #308587
flatpak
 
Name Stage Failure
failed
flake8 Check
  python3-flake8-3.5.0-6.fc29.noarch       python3-mccabe-0.6.1-9.fc29.noarch   
python3-pycodestyle-2.4.0-3.fc29.noarch python3-pyflakes-2.0.0-7.fc29.noarch

Complete!
$ flake8 --ignore E402,W503,E501 --show-source src/ --exclude __init__.py
src/Authenticator/widgets/provider_image.py:63:1: W293 blank line contains whitespace

^
ERROR: Job failed: exit code 1