Fix for check if a parameter is None.

Hans Hörberg · Hans Hörberg · commit ffe4be172260 · 2015-10-01T08:15:15.000+02:00
diff --git a/tools/merge_metadata.py b/tools/merge_metadata.py
@@ -90,7 +90,7 @@
         metad = MetaDataExtern(ONTS.values(), ATTRCONV, spec[1],
                                sc, cert=spec[2], http=httpc, **kwargs)
 
-    if metad:
+    if metad is not None:
         try:
             metad.load()
         except:
