PackMidx: drop refs more thoroughly in close

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/lib/bup/midx.py b/lib/bup/midx.py
index 0b418375d9a6f28bf4c6ef7f458353e355bb3b94..cbbac65237dd28ff51a154f54179796eb4bfb75b 100644 (file)
--- a/lib/bup/midx.py
+++ b/lib/bup/midx.py
@@ -78,6 +78,7 @@ class PackMidx:
 
     def close(self):
         if self.map is not None:
+            self.fanout = self.shatable = self.whichlist = self.idxnames = None
             self.map.close()
             self.map = None