Bugfix: we need this minimum version of dtk-widgets for compiling.
Version 7aaf7eb0 fails to compile after 'conda env update -f pkg/env/dtk-visualization-linux.yaml' (if conda environment was empty).
This fixes it.
Version 7aaf7eb0 fails to compile after 'conda env update -f pkg/env/dtk-visualization-linux.yaml' (if conda environment was empty).
This fixes it.