Index: grit/node/misc.py |
diff --git a/grit/node/misc.py b/grit/node/misc.py |
index 8a0b46f53de370b0c2fe8f0f7978f3b43b402c06..7f450188fc75d48e73bb5d40b4e2e78c69d25b4e 100755 |
--- a/grit/node/misc.py |
+++ b/grit/node/misc.py |
@@ -331,7 +331,9 @@ class GritNode(base.Node): |
for node in self.ActiveDescendants(): |
if isinstance(node, (io.FileNode, include.IncludeNode, misc.PartNode, |
structure.StructureNode, variant.SkeletonNode)): |
- input_files.add(node.GetInputPath()) |
+ input_path = node.GetInputPath() |
+ if input_path is not None: |
+ input_files.add(input_path) |
self.SetOutputLanguage(old_output_language) |
return sorted(map(self.ToRealPath, input_files)) |