Uncaught TypeError: Cannot read property 'getTitle' of undefined

[codehead1980]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.23.1 x64
Electron: 1.6.15
OS: Microsoft Windows 8.1 Pro
Thrown From: python-debugger package 0.2.0

Stack Trace

Uncaught TypeError: Cannot read property 'getTitle' of undefined

At C:\Users\HOME\.atom\packages\python-debugger\lib\python-debugger.coffee:34

TypeError: Cannot read property 'getTitle' of undefined
    at Object.toggleBreakpoint (/packages/python-debugger/lib/python-debugger.coffee:34:22)
    at /packages/python-debugger/lib/python-debugger.coffee:30:41)
    at CommandRegistry.handleCommandEvent (~/AppData/Local/atom/app-1.23.1/resources/app/src/command-registry.js:388:36)
    at Object.didConfirmSelection (~/AppData/Local/atom/app-1.23.1/resources/app/node_modules/command-palette/lib/command-palette-view.js:143:35)
    at SelectListView.confirmSelection (~/AppData/Local/atom/app-1.23.1/resources/app/node_modules/command-palette/node_modules/atom-select-list/src/select-list-view.js:327:26)
    at SelectListView.didClickItem (~/AppData/Local/atom/app-1.23.1/resources/app/node_modules/command-palette/node_modules/atom-select-list/src/select-list-view.js:242:16)
    at ListItemView.onclick (~/AppData/Local/atom/app-1.23.1/resources/app/node_modules/command-palette/node_modules/atom-select-list/src/select-list-view.js:181:39)
    at ListItemView.didClick (~/AppData/Local/atom/app-1.23.1/resources/app/node_modules/command-palette/node_modules/atom-select-list/src/select-list-view.js:375:16)

Commands

  2x -5:05.1.0 Python run: run-f5 (input.hidden-input)
  2x -1:33.5.0 editor:newline (input.hidden-input)
     -1:31.2.0 intentions:highlight (input.hidden-input)
     -1:30.7.0 core:paste (input.hidden-input)
     -1:26.1.0 Python run: run-f5 (input.hidden-input)
     -0:38.9.0 tree-view:toggle (atom-pane.pane.active)
  5x -0:30.3.0 tree-view:toggle-focus (atom-pane.pane.active)
     -0:22 command-palette:toggle (div.tool-panel.tree-view)
     -0:11.4.0 python-debugger:breakpoint (div.tool-panel.tree-view)

Non-Core Packages

atom-clock 0.1.15 
atom-eclipse-syntax 0.0.5 
atom-fix-path 0.1.0 
atom-python-package 0.7.1 
atom-python-run 0.9.5 
atom-python-test 0.9.0 
atom-runner 2.7.1 
autocomplete-modules 1.8.0 
autocomplete-python 1.10.5 
autocomplete-python-jedi 1.10.3-0 
build 0.69.0 
build-python 0.9.3 
busy-signal 1.4.3 
city-lights-syntax 1.1.4 
city-lights-ui 1.2.0 
colorblind-wombat-dark-syntax 0.6.0 
copy-path 0.4.2 
env-from-shell 0.3.0 
ide-python 0.3.0 
intentions 1.1.5 
jscs-fixer 1.3.0 
kite 0.58.0 
linter 2.2.0 
linter-pylama 0.9.5 
linter-pylint 2.1.0 
linter-python 3.1.2 
linter-tidy 2.3.1 
linter-ui-default 1.6.10 
python-debugger 0.2.0 
python-indent 1.1.4 
python-tools 0.6.9 
run-python-simply 0.4.0 
script 3.17.3 
styri-syntax 0.1.1 
tree-view-copy-relative-path 1.2.0