Comment 34 for bug 1558331

Cannot install Hipchat either

W: Failed to fetch https://atlassian.artifactoryonline.com/atlassian/hipchat-apt-client/dists/xenial/Release No Hash entry in Release file /var/lib/apt/lists/partial/atlassian.artifactoryonline.com_atlassian_hipchat-apt-client_dists_xenial_Release, which is considered strong enough for security purposes