NULL is None, not ""

Signed-off-by: Mark Hymers <mhy@debian.org>

diff --git a/dak/control_overrides.py b/dak/control_overrides.py
index 0c5947e36e823ac33ff46ff3364246deea02c79b..befc35d277e3d505e3a77836f2f174fdd2876709 100755 (executable)
--- a/dak/control_overrides.py
+++ b/dak/control_overrides.py
@@ -138,7 +138,7 @@ def process_file(file, suite, component, otype, mode, action, session):
         if line == "":
             continue
 
-        maintainer_override = ""
+        maintainer_override = None
         if otype == "dsc":
             split_line = line.split(None, 2)
             if len(split_line) == 2: