diff --git a/direct/src/p3d/PackageMerger.py b/direct/src/p3d/PackageMerger.py index 31ebc3d21c..9d2ea77b2e 100644 --- a/direct/src/p3d/PackageMerger.py +++ b/direct/src/p3d/PackageMerger.py @@ -79,6 +79,7 @@ class PackageMerger: """ Reads the contents.xml file from the indicated sourceDir, and updates the internal set of packages appropriately. """ + assert sourceDir != None, "No source directory was specified!" contentsFilename = Filename(sourceDir, 'contents.xml') doc = TiXmlDocument(contentsFilename.toOsSpecific()) if not doc.LoadFile():