def finalize_packages(self):
        for package in self._package_list.itervalues():
            package.finalize()
        self._package_list = {}
        self._package_versions = {}
        self._old_identifier_map = {}
        global _package_manager
        _package_manager = None
Finalizes all initialized packages.
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/packagemanager.py/PackageManager.finalize_packages