Trio 0.22.0 deprecated MultiError in favor of the standard-library (or backported) ExceptionGroup type; pytest-trio now uses ExceptionGroup and therefore requires Trio 0.22.0 or later.
Trio 0.22.0 deprecated MultiError in favor of the standard-library (or backported) ExceptionGroup type; pytest-trio now uses ExceptionGroup and therefore requires Trio 0.22.0 or later.