MNIST.ipynb example breaks after first epoch

[maxpumperla]

Hi Eder, amazing project, really like where you are going with this. Thanks for putting in the work.

When I run the example provided in MNIST.ipynb, following the installation instructions as provided, on OSX 10.10.4, I get the following error after the first epoch:

 /my/path/agnez_app/node_modules/feathers/node_modules/feathers-commons/lib/sockets/helpers.js:61
            socket[info.method](eventName, dispatchData);
                               ^
TypeError: undefined is not a function
  at /my/path/agnez_app/node_modules/feathers/node_modules/feathers-commons/lib/sockets/helpers.js:61:32
  at Object.defaultDispatcher (/my/path/agnez_app/node_modules/feathers/node_modules/feathers-commons/lib/sockets/helpers.js:39:3)
  at /my/path/agnez_app/node_modules/feathers/node_modules/feathers-commons/lib/sockets/helpers.js:56:20
  at Array.forEach (native)
  at Object.<anonymous> (/my/path/agnez_app/node_modules/feathers/node_modules/feathers-commons/lib/sockets/helpers.js:55:35)
  at emitTwo (events.js:87:13)
  at Object.emit (events.js:169:7)
  at /my/path/agnez_app/node_modules/feathers/lib/mixins/event.js:49:21
  at Array.forEach (native)
  at EventEmitter.<anonymous> (/my/path/agnez_app/node_modules/feathers/lib/mixins/event.js:48:16)
  at emitMany (events.js:108:13)
  at EventEmitter.emit (events.js:179:7)
  at Object.exports.emitEvents (/my/path/agnez_app/node_modules/feathers/node_modules/rubberduck/lib/utils.js:32:18)
  at callbackWrapper (/my/path/agnez_app/node_modules/feathers/node_modules/rubberduck/lib/rubberduck.js:56:15)
  at /my/path/agnez_app/node_modules/feathers-nedb/lib/index.js:137:5
  at callback (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/lib/executor.js:30:17)
  at Cursor.execFn (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/lib/datastore.js:462:14)
  at Cursor._exec (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/lib/cursor.js:172:17)
  at /my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/lib/executor.js:40:13
  at Object.q.process (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/node_modules/async/lib/async.js:731:21)
  at next (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/node_modules/async/lib/async.js:728:27)
  at Immediate._onImmediate (/my/path/agnez_app/node_modules/feathers-nedb/node_modules/nedb/node_modules/async/lib/async.js:24:16)
  at processImmediate [as _immediateCallback] (timers.js:368:17)

Any idea how this comes about? Thanks.

[maxpumperla]

I should also mention that I noticed mpld3 is missing in requirements.txt and installing coffee script via npm in the Makefile could be a valuable addition.

[EderSantana]

Hi @maxpumperla! Thanks for the interest in Agnez and suggestions.

I honestly don't understand this error. It should be something with the feathers-client package.
Would you mind asking here: https://github.com/feathersjs/feathers?

@daffl if you have time, can you give us your opinion? This is the deep learning visualization app using feathers I mentioned on twitter.

[daffl]

Oh cool, I have to check it out! The error is probably due to feathersjs-ecosystem/commons#10. There was a change in a Socket.io minor release that broke Feathers. Upgrading to Feathers 1.3 (ideally with clearing your NPM cache just to be sure to get all the newest dependencies) should fix it (1.3 is fully backwards compatible with any 1.x release).

[maxpumperla]

Eder, I finally got around to trying this - and it works. Thanks again! :)