1 files changed, 6 insertions, 0 deletions

diff --git a/meta/lib/oe/license.py b/meta/lib/oe/license.py
index c1274a61de..c4efbe142b 100644
--- a/meta/lib/oe/license.py
+++ b/meta/lib/oe/license.py
@@ -81,6 +81,9 @@ class FlattenVisitor(LicenseVisitor):
     def visit_Str(self, node):
         self.licenses.append(node.s)
 
+    def visit_Constant(self, node):
+        self.licenses.append(node.value)
+
     def visit_BinOp(self, node):
         if isinstance(node.op, ast.BitOr):
             left = FlattenVisitor(self.choose_licenses)
@@ -234,6 +237,9 @@ class ListVisitor(LicenseVisitor):
     def visit_Str(self, node):
         self.licenses.add(node.s)
 
+    def visit_Constant(self, node):
+        self.licenses.add(node.value)
+
 def list_licenses(licensestr):
     """Simply get a list of all licenses mentioned in a license string.
        Binary operators are not applied or taken into account in any way"""