default to main if there is no component name

diff --git a/daklib/policy.py b/daklib/policy.py
index dad9e9d1ec20c685848dac377ae23ecf87e70942..7e5e5d54c8ec8adcfc5a084a13967884b360d3c1 100644 (file)
--- a/daklib/policy.py
+++ b/daklib/policy.py
@@ -289,7 +289,10 @@ class PolicyQueueUploadHandler(object):
             # field for old packages
             query = self.session.query(Component).order_by(Component.ordering) \
                     .filter(Component.component_name.in_(components))
-            source_component = query.first().component_name
+            if query.first() is None:
+                source_component = 'main'
+            else: 
+                source_component = query.first().component_name
 
             override = self._source_override(source_component)
             if override is None: