3.0 prep

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/parse/ast.py

@@ -21,6 +21,8 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
+from __future__ import absolute_import
+from future_builtins import filter
 import bb, re, string
 from bb import methodpool
 import itertools