lib/gc: update lambda syntax for py3

Signed-off-by: Julien Goodwin <jgoodwin@studio442.com.au>
[rlb@defaultvalue.org: adjust commit summary]
Reviewed-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/lib/bup/gc.py b/lib/bup/gc.py
index 6f645847d181c494ee762ca41287151bcafa2d9e..5a351f579750790968e547795b9d54b84dcc4d62 100644 (file)
--- a/lib/bup/gc.py
+++ b/lib/bup/gc.py
@@ -102,7 +102,7 @@ def find_live_objects(existing_count, cat_pipe, verbosity=0):
     stop_at, trees_visited = None, None
     if prune_visited_trees:
         trees_visited = set()
-        stop_at = lambda (x): x.decode('hex') in trees_visited
+        stop_at = lambda x: x.decode('hex') in trees_visited
     approx_live_count = 0
     for ref_name, ref_id in git.list_refs():
         for item in walk_object(cat_pipe, ref_id.encode('hex'),