* src/GrampsBSDDB.py (upgrade_7): Enforce str for the default handle.

svn: r4726

src/GrampsBSDDB.py

@@ -825,6 +825,9 @@ class GrampsBSDDB(GrampsDbBase):
 
     def upgrade_7(self):
         print "Upgrading to DB version 7"
+        # First, make sure the stored default person handle is str, not unicode
+        handle = self.metadata['default']
+        self.metadata['default'] = str(handle)
         trans = Transaction("",self)
         trans.set_batch(True)
         # Change every source to have reporef_list