classes/lib: Update to explictly create lists where needed

Iterators now return views, not lists in python3. Where we need
lists, handle this explicitly.

(From OE-Core rev: caebd862bac7eed725e0f0321bf50793671b5312)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/meta/lib/oe/packagegroup.py b/meta/lib/oe/packagegroup.py
index a6fee5f950..97819279b7 100644
--- a/meta/lib/oe/packagegroup.py
+++ b/meta/lib/oe/packagegroup.py
@@ -16,11 +16,11 @@ def packages(features, d):
             yield pkg
 
 def required_packages(features, d):
-    req = filter(lambda feature: not is_optional(feature, d), features)
+    req = [feature for feature in features if not is_optional(feature, d)]
     return packages(req, d)
 
 def optional_packages(features, d):
-    opt = filter(lambda feature: is_optional(feature, d), features)
+    opt = [feature for feature in features if is_optional(feature, d)]
     return packages(opt, d)
 
 def active_packages(features, d):