package depending on all supported Python2 development packages

 The package currently depends on libpython2.7-dev, in the
 future, dependencies on jython (Python2 for a JVM) and ironpython (Python2
 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 Python2 development
 packages.