0.6.4

Changelog

• Python 3.10 support
• refined installation instructions
• containers are now based on Focal Fossa with updated dependencies
• workaround in analyzer.spt_data for weird cases where os.path.exists returns False on existing files
• analyzer.pipeline.early_setup takes arguments connect and ensure_container

Note: tag v0.6.4 missed 1 commit. PyPI version 0.6.4 corresponds to the present release.