def reload_system_path(self):<EOL>
if self._system_path is not None:<EOL><INDENT>self._system_path = self._system_path.clear_caches()<EOL>self._system_path = None<EOL><DEDENT>six.moves.reload_module(pyfinder_path)<EOL>self._system_path = self.create_system_path()<EOL>
Rebuilds the base system path and all of the contained finders within it.

This will re-apply any changes to the environment or any version changes on the system.