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-rw-r--r--pym/portage/dbapi/vartree.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index 12dd15f1b..8d0256c12 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -1538,7 +1538,7 @@ class vardbapi(dbapi):
# Delete any stale cache.
stale_hashes = cached_hashes.difference(valid_pkg_hashes)
if stale_hashes:
- for base_name_hash, bucket in base_names.items():
+ for base_name_hash, bucket in list(base_names.items()):
for hash_value in stale_hashes.intersection(bucket):
del bucket[hash_value]
if not bucket: