Uncaught TypeError: a.call is not a function

[aikeru]

1. Install fresh copy of atom.io
2. Install fresh copy of proton
3. Wait until install completes and before doing anything else, hit "space" on the open editor window
4. See exception :)

Atom: 1.14.3 x64
Electron: 1.3.13
OS: Microsoft Windows 10 Pro
Thrown From: proton-mode package 0.14.1

Stack Trace

Uncaught TypeError: a.call is not a function

At C:\Users\micha\.atom\packages\proton-mode\lib\proton.js:2383

TypeError: a.call is not a function
    at proton.lib.helpers.show_item_QMARK_ (/packages/proton-mode/lib/proton.js:2383:374)
    at /packages/proton-mode/lib/proton.js:918:277
    at cljs.core.LazySeq.sval (/packages/proton-mode/lib/proton.js:610:253)
    at /packages/proton-mode/lib/proton.js:613:233)
    at Object.cljs.core.seq (/packages/proton-mode/lib/proton.js:355:142)
    at /packages/proton-mode/lib/proton.js:873:120
    at cljs.core.LazySeq.sval (/packages/proton-mode/lib/proton.js:610:253)
    at /packages/proton-mode/lib/proton.js:613:233)
    at Object.cljs.core.seq (/packages/proton-mode/lib/proton.js:355:142)
    at /packages/proton-mode/lib/proton.js:1872:344)
    at Object.proton.lib.helpers.tree__GT_html (/packages/proton-mode/lib/proton.js:2386:521)
    at /packages/proton-mode/lib/proton.js:3107:477

Commands

     -4:42 tree-view:show (atom-workspace.workspace.scrollbars-visible-always.use-animations.theme-one-dark-syntax.theme-one-dark-ui.theme-atom-material-ui.theme-nucleus-dark-ui.theme-atom-dark-fusion-syntax.theme-atom-material-syntax)
     -0:13 proton:toggle (input.hidden-input)

Non-Core Packages

advanced-open-file 0.16.5 
atom-beautify 0.29.17 
atom-dark-fusion-syntax 2.0.3 
atom-material-syntax 1.0.2 
atom-material-ui 1.3.9 
autocomplete-paths 1.0.5 
autoupdate-packages 1.3.1 
busy 0.7.0 
easy-motion-redux 1.1.1 
environment 1.3.1 
ex-mode 0.13.1 
expand-region 0.2.6 
file-icons 2.0.16 
golden-ratio 0.3.0 
highlight-line 0.12.0 
highlight-selected 0.12.0 
lines 0.13.1 
maximize-panes 0.2.0 
move-panes 0.2.0 
nucleus-dark-ui 0.11.0 
project-plus 0.9.0 
proton-mode 0.14.1 
recent-files-fuzzy-finder 0.3.0 
relative-numbers 0.7.1 
release-notes 0.53.0 
tab-switcher 1.5.4 
theme-switch 0.4.0 
vim-mode-plus 0.82.3 
vim-mode-plus-ex-mode 0.9.0 
zentabs 0.8.8 

[aikeru]

Reopened atom.io immediately after this and noticed proton installing more stuff... (7 new packages)

[aikeru]

Looks like things are working after that last bit... Hope this is helpful