python3-all 3.9.4-1ubuntu1 (armhf binary) in ubuntu impish

 The package currently depends on python3.9, in the future,
 dependencies on jython (Python for a JVM) and ironpython (Python for Mono)
 may be added.
 .
 This package is a dependency package used as a build dependency for other
 packages to avoid hardcoded dependencies on specific Python 3 runtimes.