Release v0.21.2
Merge pull request #659 from plotly/optimize-csv-files Optimize csv files Former-commit-id: 9a8f6b9ef8a22663dc245ef1c832d4a5cf6e2a0b
Merge pull request #659 from plotly/optimize-csv-files Optimize csv files Former-commit-id: 9a8f6b9ef8a22663dc245ef1c832d4a5cf6e2a0b