Release v0.15.1
Merge pull request #605 from plotly/update-dash-vtk-explorer Update dash-vtk-explorer Former-commit-id: 500fd500a52f0400b40b775ce5970d7b84336b93
Merge pull request #605 from plotly/update-dash-vtk-explorer Update dash-vtk-explorer Former-commit-id: 500fd500a52f0400b40b775ce5970d7b84336b93