Part 5: Error when clicking P button on keyboard.

[ajitgoel]

i am in the "NodeSchool workshop for learning Electron" part 5. i am getting the following error when i click the p button on the keyboard. any ideas on what i could be doing wrong?

C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:748 Uncaught TypeError: fn is not a function
at Request.callback (C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:748)
at Request. (C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:135)
at emitOne (events.js:96)
at Request.emit (events.js:191)
at IncomingMessage. (C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:938)
at emitNone (events.js:91)
at IncomingMessage.emit (events.js:188)
at endReadableNT (_stream_readable.js:975)
at _combinedTickCallback (internal/process/next_tick.js:80)
at process._tickCallback (internal/process/next_tick.js:104)
Request.callback @ C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:748
(anonymous) @ C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:135
emitOne @ events.js:96
emit @ events.js:191
(anonymous) @ C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\superagent\lib\no…:938
emitNone @ events.js:91
emit @ events.js:188
endReadableNT @ _stream_readable.js:975
_combinedTickCallback @ internal/process/next_tick.js:80
_tickCallback @ internal/process/next_tick.js:104
C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\leaflet.freedraw-…:399 setting mode
C:\Users\ajitg\AppData\Roaming\npm\node_modules\lightning-image-poly\node_modules\leaflet.freedraw-…:400 10