Bug#910458: gnome-user-docs FTBFS: 'NoneType' object has no attribute '__getitem__'

[Adrian Bunk]

Source: gnome-user-docs FTBFS: Error: Could not merge translations: 
Version: 3.30.1-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=gnome-user-docs&arch=all&ver=3.30.1-1&stamp=1538768364&raw=0

...
mo="zh_CN/zh_CN.mo"; \
if test -f "${mo}"; then mo="../${mo}"; else mo="/<<PKGBUILDDIR>>/gnome-help/${mo}"; fi; \
(cd "zh_CN/" && itstool -m "${mo}" ${d}/C/legal.xml ${d}/C/a11y-bouncekeys.page ${d}/C/a11y-braille.page ${d}/C/a11y-contrast.page ${d}/C/a11y-dwellclick.page ${d}/C/a11y-font-size.page ${d}/C/a11y-icon.page ${d}/C/a11y-mag.page ${d}/C/a11y.page ${d}/C/a11y-right-click.page ${d}/C/a11y-screen-reader.page ${d}/C/a11y-slowkeys.page ${d}/C/a11y-stickykeys.page ${d}/C/a11y-visualalert.page ${d}/C/about-this-guide.page ${d}/C/accounts-add.page ${d}/C/accounts-disable-service.page ${d}/C/accounts-provider-not-available.page ${d}/C/accounts-remove.page ${d}/C/accounts-which-application.page ${d}/C/accounts-whyadd.page ${d}/C/accounts.page ${d}/C/backup-check.page ${d}/C/backup-frequency.page ${d}/C/backup-how.page ${d}/C/backup-restore.page ${d}/C/backup-thinkabout.page ${d}/C/backup-what.page ${d}/C/backup-where.page ${d}/C/backup-why.page ${d}/C/bluetooth.page ${d}/C/bluetooth-connect-device.page ${d}/C/bluetooth-problem-connecting.page ${d}/C/bluetooth-remove-connection.page ${d}/C/bluetooth-send-file.page ${d}/C/bluetooth-turn-on-off.page ${d}/C/bluetooth-visibility.page ${d}/C/clock-calendar.page ${d}/C/clock-set.page ${d}/C/clock-timezone.page ${d}/C/clock-world.page ${d}/C/clock.page ${d}/C/color.page ${d}/C/color-assignprofiles.page ${d}/C/color-calibrate-camera.page ${d}/C/color-calibrate-printer.page ${d}/C/color-calibrate-scanner.page ${d}/C/color-calibrate-screen.page ${d}/C/color-calibrationcharacterization.page ${d}/C/color-calibrationdevices.page ${d}/C/color-calibrationtargets.page ${d}/C/color-canshareprofiles.page ${d}/C/color-gettingprofiles.page ${d}/C/color-howtoimport.page ${d}/C/color-missingvcgt.page ${d}/C/color-notifications.page ${d}/C/color-notspecifiededid.page ${d}/C/color-testing.page ${d}/C/color-whatisprofile.page ${d}/C/color-whatisspace.page ${d}/C/color-why-calibrate.page ${d}/C/color-whyimportant.page ${d}/C/contacts-add-remove.page ${d}/C/contacts.page ${d}/C/contacts-connect.page ${d}/C/contacts-edit-details.page ${d}/C/contacts-link-unlink.page ${d}/C/contacts-search.page ${d}/C/contacts-setup.page ${d}/C/disk-benchmark.page ${d}/C/disk-capacity.page ${d}/C/disk-check.page ${d}/C/disk-format.page ${d}/C/disk-partitions.page ${d}/C/disk-repair.page ${d}/C/disk-resize.page ${d}/C/disk.page ${d}/C/display-blank.page ${d}/C/display-brightness.page ${d}/C/display-dual-monitors.page ${d}/C/display-night-light.page ${d}/C/files-autorun.page ${d}/C/files-browse.page ${d}/C/files-copy.page ${d}/C/files-delete.page ${d}/C/files-disc-write.page ${d}/C/files-hidden.page ${d}/C/files-lost.page ${d}/C/files-open.page ${d}/C/files-preview.page ${d}/C/files-recover.page ${d}/C/files-removedrive.page ${d}/C/files-rename.page ${d}/C/files-search.page ${d}/C/files-select.page ${d}/C/files-share.page ${d}/C/files-sort.page ${d}/C/files-templates.page ${d}/C/files-tilde.page ${d}/C/files.page ${d}/C/get-involved.page ${d}/C/gnome-classic.page ${d}/C/gnome-version.page ${d}/C/hardware-auth.page ${d}/C/hardware-cardreader.page ${d}/C/hardware-driver.page ${d}/C/hardware-problems-graphics.page ${d}/C/hardware.page ${d}/C/help-irc.page ${d}/C/help-mailing-list.page ${d}/C/index.page ${d}/C/keyboard-cursor-blink.page ${d}/C/keyboard-key-menu.page ${d}/C/keyboard-key-super.page ${d}/C/keyboard-layouts.page ${d}/C/keyboard-nav.page ${d}/C/keyboard-osk.page ${d}/C/keyboard-repeat-keys.page ${d}/C/keyboard-shortcuts-set.page ${d}/C/keyboard.page ${d}/C/look-background.page ${d}/C/look-display-fuzzy.page ${d}/C/look-resolution.page ${d}/C/media.page ${d}/C/more-help.page ${d}/C/mouse-doubleclick.page ${d}/C/mouse-lefthanded.page ${d}/C/mouse-middleclick.page ${d}/C/mouse-mousekeys.page ${d}/C/mouse-problem-notmoving.page ${d}/C/mouse-sensitivity.page ${d}/C/mouse-touchpad-click.page ${d}/C/mouse-wakeup.page ${d}/C/mouse.page ${d}/C/music-cantplay-drm.page ${d}/C/music-player-ipodtransfer.page ${d}/C/music-player-newipod.page ${d}/C/nautilus-behavior.page ${d}/C/nautilus-bookmarks-edit.page ${d}/C/nautilus-connect.page ${d}/C/nautilus-display.page ${d}/C/nautilus-file-properties-basic.page ${d}/C/nautilus-file-properties-permissions.page ${d}/C/nautilus-list.page ${d}/C/nautilus-prefs.page ${d}/C/nautilus-preview.page ${d}/C/nautilus-views.page ${d}/C/net-antivirus.page ${d}/C/net-browser.page ${d}/C/net-default-browser.page ${d}/C/net-default-email.page ${d}/C/net-email-virus.page ${d}/C/net-email.page ${d}/C/net-findip.page ${d}/C/net-firewall-on-off.page ${d}/C/net-firewall-ports.page ${d}/C/net-fixed-ip-address.page ${d}/C/net-general.page ${d}/C/net-install-flash.page ${d}/C/net-macaddress.page ${d}/C/net-manual.page ${d}/C/net-mobile.page ${d}/C/net-othersconnect.page ${d}/C/net-othersedit.page ${d}/C/net-problem.page ${d}/C/net-proxy.page ${d}/C/net-security-tips.page ${d}/C/net-security.page ${d}/C/net-slow.page ${d}/C/net-vpn-connect.page ${d}/C/net-what-is-ip-address.page ${d}/C/net-wired-connect.page ${d}/C/net-wired.page ${d}/C/net-wireless-adhoc.page ${d}/C/net-wireless-airplane.page ${d}/C/net-wireless-connect.page ${d}/C/net-wireless-disconnecting.page ${d}/C/net-wireless-find.page ${d}/C/net-wireless-hidden.page ${d}/C/net-wireless-noconnection.page ${d}/C/net-wireless-troubleshooting-device-drivers.page ${d}/C/net-wireless-troubleshooting-hardware-check.page ${d}/C/net-wireless-troubleshooting-hardware-info.page ${d}/C/net-wireless-troubleshooting-initial-check.page ${d}/C/net-wireless-troubleshooting.page ${d}/C/net-wireless-wepwpa.page ${d}/C/net-wireless.page ${d}/C/net.page ${d}/C/power-autobrightness.page ${d}/C/power-autosuspend.page ${d}/C/power-batteryestimate.page ${d}/C/power-batterylife.page ${d}/C/power-batteryoptimal.page ${d}/C/power-batteryslow.page ${d}/C/power-batterywindows.page ${d}/C/power-closelid.page ${d}/C/power-constantfan.page ${d}/C/power-hotcomputer.page ${d}/C/power-lowpower.page ${d}/C/power-nowireless.page ${d}/C/power-othercountry.page ${d}/C/power-status.page ${d}/C/power-suspendfail.page ${d}/C/power-suspend.page ${d}/C/power-whydim.page ${d}/C/power-willnotturnon.page ${d}/C/power-wireless.page ${d}/C/power.page ${d}/C/prefs-display.page ${d}/C/prefs-language.page ${d}/C/prefs-sharing.page ${d}/C/prefs.page ${d}/C/printing-2sided.page ${d}/C/printing-booklet-duplex.page ${d}/C/printing-booklet-singlesided.page ${d}/C/printing-booklet.page ${d}/C/printing-cancel-job.page ${d}/C/printing-differentsize.page ${d}/C/printing-envelopes.page ${d}/C/printing-inklevel.page ${d}/C/printing-name-location.page ${d}/C/printing-order.page ${d}/C/printing-paperjam.page ${d}/C/printing-select.page ${d}/C/printing-setup-default-printer.page ${d}/C/printing-setup.page ${d}/C/printing-streaks.page ${d}/C/printing-to-file.page ${d}/C/printing.page ${d}/C/privacy.page ${d}/C/privacy-history-recent-off.page ${d}/C/privacy-location.page ${d}/C/privacy-purge.page ${d}/C/privacy-screen-lock.page ${d}/C/screen-shot-record.page ${d}/C/session-fingerprint.page ${d}/C/session-formats.page ${d}/C/session-language.page ${d}/C/session-screenlocks.page ${d}/C/sharing.page ${d}/C/sharing-bluetooth.page ${d}/C/sharing-desktop.page ${d}/C/sharing-displayname.page ${d}/C/sharing-media.page ${d}/C/sharing-personal.page ${d}/C/shell-apps-favorites.page ${d}/C/shell-apps-open.page ${d}/C/shell-exit.page ${d}/C/shell-introduction.page ${d}/C/shell-keyboard-shortcuts.page ${d}/C/shell-lockscreen.page ${d}/C/shell-notifications.page ${d}/C/shell-overview.page ${d}/C/shell-windows-lost.page ${d}/C/shell-windows-maximize.page ${d}/C/shell-windows-states.page ${d}/C/shell-windows-switching.page ${d}/C/shell-windows-tiled.page ${d}/C/shell-windows.page ${d}/C/shell-workspaces-movewindow.page ${d}/C/shell-workspaces-switch.page ${d}/C/shell-workspaces.page ${d}/C/sound-alert.page ${d}/C/sound-broken.page ${d}/C/sound-crackle.page ${d}/C/sound-nosound.page ${d}/C/sound-usemic.page ${d}/C/sound-usespeakers.page ${d}/C/sound-volume.page ${d}/C/status-icons.page ${d}/C/tips-specialchars.page ${d}/C/tips.page ${d}/C/translate.page ${d}/C/user-accounts.page ${d}/C/user-add.page ${d}/C/user-admin-change.page ${d}/C/user-admin-explain.page ${d}/C/user-admin-problems.page ${d}/C/user-autologin.page ${d}/C/user-changepassword.page ${d}/C/user-changepicture.page ${d}/C/user-delete.page ${d}/C/user-goodpassword.page ${d}/C/video-dvd.page ${d}/C/video-sending.page ${d}/C/wacom-left-handed.page ${d}/C/wacom-mode.page ${d}/C/wacom-multi-monitor.page ${d}/C/wacom-stylus.page ${d}/C/wacom.page) && \
touch "zh_CN/zh_CN.stamp"
Error: Could not merge translations:
'NoneType' object has no attribute '__getitem__'
make[2]: *** [Makefile:851: ta/ta.stamp] Error 1