heroku db pull error

heroku db pull error

heroku db:pull mysql://root@localhost/otz_production --app otz-production
Loaded Taps v0.3.23
Warning: Data in the database 'mysql://root@localhost/otz_production' will be overwritten and will not be recoverable.

 !    WARNING: Potentially Destructive Action
 !    This command will affect the app: otz-production
 !    To proceed, type "otz-production" or re-run this command with --confirm otz-production

> otz-production
Receiving schema
Schema:        100% |==========================================| Time: 00:00:21
Receiving indexes
storefronts:   100% |==========================================| Time: 00:00:01
schema_migrat: 100% |==========================================| Time: 00:00:00
Receiving data
9 tables, 1,800 records
coupons:       100% |==========================================| Time: 00:00:06
storefronts:   100% |==========================================| Time: 00:00:14
schema_migrat: 100% |==========================================| Time: 00:00:01
deal_alerts:   100% |==========================================| Time: 00:00:07
payments:      100% |==========================================| Time: 00:00:00
images:          5% |==                                        | ETA:  00:17:24


images:         27% |===========                               | ETA:  00:16:31



images:         32% |=============                             | ETA:  00:20:37


images:         33% |=============                             | ETA:  00:20:23
images:         42% |=================                         | ETA:  00:23:40

images:         49% |====================                      | ETA:  00:23:02


/usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/data_stream.rb:177:in `fetch_from_resource': uninitialized constant OkJson::Parser (NameError)
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/data_stream.rb:131:in `fetch_remote'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:308:in `pull_data_from_table'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:301:in `loop'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:301:in `pull_data_from_table'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:284:in `pull_data'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:278:in `each'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:278:in `pull_data'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:253
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:203:in `call'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:203:in `catch_errors'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/operation.rb:246:in `run'
	from /usr/lib/ruby/gems/1.8/gems/taps-0.3.23/lib/taps/cli.rb:171:in `clientxfer'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/lib/heroku/commands/db.rb:152:in `taps_client'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/lib/heroku/commands/db.rb:25:in `pull'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/lib/heroku/command.rb:48:in `send'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/lib/heroku/command.rb:48:in `run_internal'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/lib/heroku/command.rb:20:in `run'
	from /usr/lib/ruby/gems/1.8/gems/heroku-1.17.16/bin/heroku:13
	from /usr/bin/heroku:19:in `load'
	from /usr/bin/heroku:19

is Parser a typo that should actually read ParserError (in ok_json.rb)?