Make sure Python's YAML module can pickle this

helpers/create-abi-dump.py

@@ -298,7 +298,7 @@ for library in foundLibraries:
             "SONAME": max([t['SONAME'] for t in library.targets.values()]), # use max because there may be more than one lib inside
             "version": library.version,
             "libname": library.name,
-            "targets": library.targets.keys(),
+            "targets": list(library.targets),
     }
     packageName = "{name}_{scmRevision}".format(name=library.name, scmRevision=scmRevision)
     ourArchive.storePackage(packageName, fileName, scmRevision, extraMetadata)