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, 1 insertions, 1 deletions

diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index 538ab1976e..10d6ed853a 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -635,7 +635,7 @@ def check_license_format(d):
     licenses = d.getVar('LICENSE', True)
     from oe.license import license_operator, license_operator_chars, license_pattern
 
-    elements = filter(lambda x: x.strip(), license_operator.split(licenses))
+    elements = list(filter(lambda x: x.strip(), license_operator.split(licenses)))
     for pos, element in enumerate(elements):
         if license_pattern.match(element):
             if pos > 0 and license_pattern.match(elements[pos - 1]):