Uncaught TypeError: tab.parentElement.getTabs is not a function

[NicholasWalton]

1. Click on an open tab which should be part of a pair.

Atom: 1.15.0 x64
Electron: 1.3.13
OS: Ubuntu 16.04.2
Thrown From: tab-pair-header-source package 0.3.3

Stack Trace

Uncaught TypeError: tab.parentElement.getTabs is not a function

At /home/nicholaswalton/.atom/packages/tab-pair-header-source/lib/tab-pair-header-source.js:324

TypeError: tab.parentElement.getTabs is not a function
    at Object.setTabTitle (/packages/tab-pair-header-source/lib/tab-pair-header-source.js:324:38)
    at /packages/tab-pair-header-source/lib/tab-pair-header-source.js:214:47
    at Array.forEach (native)
    at Object.compressGroups (/packages/tab-pair-header-source/lib/tab-pair-header-source.js:212:12)
    at /packages/tab-pair-header-source/lib/tab-pair-header-source.js:267:12
    at Array.forEach (native)
    at Object.checkPanes (/packages/tab-pair-header-source/lib/tab-pair-header-source.js:259:11)
    at Object.changedActiveItem (/packages/tab-pair-header-source/lib/tab-pair-header-source.js:382:10)
    at /packages/tab-pair-header-source/lib/tab-pair-header-source.js:60:81
    at Function.module.exports.Emitter.simpleDispatch (/app.asar/node_modules/event-kit/lib/emitter.js:25:14)
    at Emitter.module.exports.Emitter.emit (/app.asar/node_modules/event-kit/lib/emitter.js:129:28)
    at /app.asar/src/pane-container.js:348:27
    at Function.module.exports.Emitter.simpleDispatch (/app.asar/node_modules/event-kit/lib/emitter.js:25:14)
    at Emitter.module.exports.Emitter.emit (/app.asar/node_modules/event-kit/lib/emitter.js:129:28)
    at Pane.module.exports.Pane.setActiveItem (/app.asar/src/pane.js:300:22)
    at Pane.module.exports.Pane.activateItem (/app.asar/src/pane.js:452:21)
    at TabBarView.module.exports.TabBarView.onMouseDown (/app.asar/node_modules/tabs/lib/tab-bar-view.js:678:19)

Commands

Non-Core Packages

aligner 0.22.3 
aligner-python 1.0.1 
alignment 1.1.5 
antialiased 0.1.0 
atom-alignment 0.12.1 
atom-auto-prettier 0.1.1 
atom-beautify 0.29.17 
atom-clang-expand 0.1.3 
atom-fuzzy-grep 0.16.0 
atom-make 0.5.0 
atom-terminal 0.8.0 
autocomplete-clang 0.10.1 
autocomplete-python 1.8.63 
block-selection-mode 0.3.0 
build 0.67.0 
build-make 0.13.0 
build-tools-make 0.2.1 
busy 0.7.0 
busy-signal 1.3.0 
chrome-color-picker 0.8.0 
clang-tools-extra 0.0.2 
close-bracket-hint 0.0.0 
code-peek 1.4.18 
color-picker 2.2.5 
copy-with-syntax 0.0.3 
cparts 0.4.0 
dbg 1.4.1 
dbg-gdb 1.6.2 
fold-navigator 0.0.618 
fonts 2.0.0 
gcc-make-run 0.2.9 
git-blame 0.4.12 
git-diff-details 1.4.0 
git-log 0.4.1 
git-plus 7.3.3 
git-status 0.3.4 
git-time-machine 1.5.9 
greppen-grok 0.2.1 
guess-indent 0.1.0 
hey-pane 0.2.2 
intentions 1.1.2 
language-cpp14 0.6.2 
language-protobuf 0.7.1 
language-vhdl 0.7.2 
linter 2.1.2 
linter-cppcheck 0.2.3 
linter-gcc 0.7.1 
linter-just-say-no 0.7.3 
linter-less 2.6.0 
linter-lesshint 3.0.1 
linter-protocol-buffer 0.2.0 
linter-python 3.1.1 
linter-spell-html 0.6.1 
linter-ui-default 1.2.2 
linter-write-good 0.9.0 
make-runner-panel 1.7.0 
minimap 4.27.0 
minimap-pigments 0.2.2 
nav-panel 0.0.11 
navigation-history 0.1.8 
nms-color-bracket 0.1.0 
output-panel 0.1.4 
pigments 0.39.1 
polymorph 2.1.4 
prettier-atom 0.26.0 
python-debugger 0.2.0 
python-tools 0.6.9 
rectangle-selection 0.2.0 
sort-lines 0.14.0 
split-selection-into-cursors 0.2.0 
Sublime-Style-Column-Selection 1.7.4 
switch-header-source 0.22.0 
symbol-gen 1.3.1 
symbols-list 2.4.0 
symbols-tree-view 0.14.0 
tab-pair-header-source 0.3.3 
terminal-fusion 2.4.4 
terminal-plus 0.14.5 
tree-sitter-syntax 0.0.0 
tree-view-git-status 1.3.1