plotly/python-api — pull request #131 by theengineear (2014-10-23 06:54:12+00:00)
Title: Andrew better empty data error

If a user accidentally sent an empty data set, they'd get back a myserious: `Uh oh, an error occured on the server. ` error. Not helpful.

This is a more helpful, local error to help users debug faster.