New Orca-based static image export tutorials for plotly.py 3.2.0#1058

Merged

jonmmease merged 9 commits intosource-design-mergefrom

Sep 4, 2018

Commits on Aug 27, 2018

Ignore and exclude vendor/ directory to support local project install
jonmmease
committed
Added two new tutorials on static image export using orca for plotly.py 3.2.0
jonmmease
committed

Commits on Aug 29, 2018

Commits on Aug 30, 2018

Commits on Aug 31, 2018